H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Cover of Marie Curie letter to the director of Independant, dated École municipale de physique & de chimie industrielles, 12 Rue Lhomond, Paris, 20 September

Marie Curie letter to the director of Independant, dated École municipale de physique & de chimie industrielles, 12 Rue Lhomond, Paris, 20 September 1903

Curie, Marie; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).; Ecole supérieure de physique et de chimie (Paris, France),

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Marie Curie letter dated Faculté des sciences de Paris, Institut du radium, Laboratoire Curie, 1, Rue Pierre-Curie, Paris, 24 August 1917

Curie, Marie; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).; British Red Cross Society. London Branch,; France. Service de santé des armées,; Institut Curie,

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Alessandro Volta letter to Canon Gio. Francesco Fromond, dated Como, 21 December 1775

Volta, Alessandro,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alessandro Volta letter to Canon Gio. Francesco Fromond, dated Como, 31 July 1775

Volta, Alessandro,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alexander Graham Bell letter to L.T. Stanley, dated Boston University, Beacon St., 12 November 1875

Bell, Alexander Graham,; Boston University,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alexander Graham Bell letter to L.T. Stanley, dated Boston University, 23 November 1875

Bell, Alexander Graham,; Boston University,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alexander Graham Bell letter to L.T. Stanley, dated Boston University, No. 18 Beacon Street, Boston, 7 December 1875

Bell, Alexander Graham,; Boston University,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alexander Graham Bell letter to L.T. Stanley, dated Washington, D.C., 29 February 1876

Bell, Alexander Graham,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alexander Graham Bell letter to L.T. Stanley, dated Boston University, No. 18 Beacon Street, Boston, 8 March 1876

Bell, Alexander Graham,; Boston University,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Alexander Graham Bell postcard to L.T. Stanley, dated 5 Exeter Place, Boston, 18 June 1876

Bell, Alexander Graham,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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André-Marie Ampère letter to Adolphe Quetelet, dated Paris, 13 September 1825

Ampère, André-Marie,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Andrew Carnegie letter to Colonel Edward Jay Allen, dated Skibo Castle, Dornoch, Sutherland, 19 June 1905

Carnegie, Andrew,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Baron Kelvin letter to Hugh Blackburn, dated the University, Glasgow, 24 December 1895

Kelvin, William Thomson, Baron,; University of Glasgow,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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The beginning of human flight

Wright Company,; Massachusetts Institute of Technology.; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Wright Co

[1916?]

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Benjamin Franklin letter to Thomas Darling, dated Philadelphia, 27 March 1747

Franklin, Benjamin,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Benjamin Franklin letter to Lord Kames, dated London, 3 May 1760

Franklin, Benjamin,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Booker T. Washington letter to Rev. Cyrus Hamlin, D.D., dated Grand Union Hotel, New York, 9 April 1897

Washington, Booker T.,; Tuskegee Normal and Industrial Institute,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Charles Babbage letter to Sir John Lubbock, dated 22 August 1833

Babbage, Charles,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Charles Babbage letter to Mr. Rogers [possibly English poet Samuel Rogers], dated Dorset Street, 10 May 1841

Babbage, Charles,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Charles Darwin letter to John Stevens Henslow, dated 3 November 1838

Darwin, Charles,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Charles E. Duryea letter to George Francis Myers, dated Duryea Power Company, W. Elm and River Streets, Reading, Pa., 4 March 1904

Duryea, Charles E.,; Duryea Power Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Charles P. Steinmetz letter to A.H. Moore, dated General Electric Company, Schenectady, N.Y., 29 March 1897

Steinmetz, Charles Proteus,; General Electric Company,; Union Electricitats Gesellschaft,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Charles Wheatstone letter to "My dear Ward," dated 19. Park Crescent, Portland Place N.W., 13 October 1869

Wheatstone, Charles, Sir,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Cyrus McCormick letter to James J. Hite, dated Washington, D.C., 2 December 1847

McCormick, Cyrus Hall,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Edward Jenner letter to "Dear Madam," dated Cheltenham, 13 Janunary 1807

Jenner, Edward,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Elias Howe letter to J.B. Nichols, dated New York, 13 October 1854

Howe, Elias,; Gillis & Taylor (Nashua, N.H.),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Eli Whitney letter to John Hewitt, dated New Haven, 13 April 1818

Whitney, Eli,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Eli Whitney letter to Col. George Bomford, dated New Haven, 3 May 1824

Whitney, Eli,; United States. Army. Ordnance Department,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Ernest Rutherford letter to Rudolf Ladenburg, dated Newnham Cottage, Queen's Road, Cambridge, 3 September 1931

Rutherford, Ernest,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Ernest Rutherford letter to Samuel Goudsmit, dated Cavendish Laboratory, Cambridge, 20 September 1927

Rutherford, Ernest,; Cavendish Laboratory (Cambridge, England),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Ferdinand Graf von Zeppelin letter, dated 19 Keplerstrasse, Stuttgart, 13 December 1900

Zeppelin, Ferdinand, Graf von,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Five dollars reward!

Boston, Salem & Newburyport Telegraph Co.; Hudson, Charles Hodge,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

[publisher not identified]

[1848]

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George Eastman letter to J. Moodie & Sons, dated Eastman Dry Plate and Film Co., Rochester, N.Y., 13 December 1886

Eastman, George,; Eastman Dry Plate & Film Company,; J. Moodie & Sons,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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George Stephenson letter to Robert Stephenson, his son, dated Liverpool, 5 April 1828

Stephenson, George,; Liverpool and Manchester Railway,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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George Washington Carver letter to Grady Porter, dated Tuskegee Normal and Industrial Institute, Alabama, 7 December 1930

Carver, George Washington,; Tuskegee Normal and Industrial Institute,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated London, 11 March 1896

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated London, 21 March 1896

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated London, 1 April 1896

Marconi, Guglielmo,; Great Britain. Army. Royal Engineers,; Great Britain. Post Office,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated London, 8 April 1896

Marconi, Guglielmo,; Royal Society (Great Britain),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 71 Hereford Road, Bayswater W, London, 6 May 1896

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 71 Hereford Road, Bayswater W, London, 12 May 1896

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 67 Talbot Road, Westbourne Park, 9 January 1897

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 67 Talbot Road, Westbourne Park, London W, 20 January 1897

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 67 Talbot Road, Westbourne Park, London W, 8 August 1897

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 67 Talbot Road, Westbourne Park, London W, 1 December 1897

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Giuseppe Marconi, his father, dated 67 Talbot Road, Westbourne Park, London W, 24 December 1897

Marconi, Guglielmo,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Cover of Guglielmo Marconi letter to Giuseppe Marconi, his father, dated The Wireless Telegraph and Signal Company, Ltd., 28 Mark Lane, London, E.C., 7 Septemb

Guglielmo Marconi letter to Giuseppe Marconi, his father, dated The Wireless Telegraph and Signal Company, Ltd., 28 Mark Lane, London, E.C., 7 September 1898

Marconi, Guglielmo,; Marconi's Wireless Telegraph Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Cover of Guglielmo Marconi letter to H.H.

Guglielmo Marconi letter to H.H. McClure, dated Marconi's Wireless Telegraph Company, Limited, Table Head, Glace Bay, near Sydney, Cape Breton, 7 November 1902

Marconi, Guglielmo,; Marconi's Wireless Telegraph Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Guglielmo Marconi letter to Lord Aberdeen, dated Marconi Transatlantic Station, Clifden, Connemara, Co. Galway, Ireland, 7 July 1910

Marconi, Guglielmo,; Marconi's Wireless Telegraph Company,; Great Britain. Post Office,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Henri Becquerel document explaining his polariscope

Becquerel, Henri,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Henri Becquerel letter to an unidentified correspondent, dated 19 December 1899

Becquerel, Henri,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Cover of Henry and Edsel Ford letter to Albert W. Howard, dated Ford Motor Company, Office of the President, Rouge Plant, Dearborn, Michigan, 1 August 1939

Henry and Edsel Ford letter to Albert W. Howard, dated Ford Motor Company, Office of the President, Rouge Plant, Dearborn, Michigan, 1 August 1939

Ford, Henry,; Ford Motor Company,; Howard & Lewis Motor Sales (Providence, R.I.),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Henry Ford letter to Judge R.A. Parker, dated Dearborn, Mich., 14 July 1923

Ford, Henry,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Humphry Davy letter to T. Bernard, dated Edinburgh, 14 August 1804

Davy, Humphry, Sir,; Royal Institution of Great Britain,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Humphry Davy letter to Rev. Dr. Robert Gray, dated 23 Grosvenor Street, London, 13 December 1815

Davy, Humphry, Sir,; Royal Society (Great Britain),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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James Watt, Jr. letter to Robert Francis [that is, Robert Fulton], on behalf of Boulton Watt & Company, dated Birmingham, 25 July 1804

Watt, James,; James Watt and Company (Birmingham, England); H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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James Watt letter to Samuel Lysons, dated Heathfield, Handsworth, Birmingham, England, 1 December 1797

Watt, James,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Dalton letter to Peter Crosthwaite, dated Kendal, 23 August 1794

Dalton, John,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Logie Baird letter to Mrs. Alec Tweedie, dated 14 June 1929

Baird, John Logie,; Baird Television Development Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Logie Baird letter to Mrs. Alec Tweedie, dated 13 May 1929

Baird, John Logie,; Baird Television Development Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Logie Baird letter to Mrs. Alec Tweedie, dated 3 June 1929

Baird, John Logie,; Baird Television Development Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Logie Baird letter to Mrs. Alec Tweedie, dated 8 November 1929

Baird, John Logie,; Baird Television Development Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Logie Baird letter to Mrs. Alec Tweedie, dated 18 December 1929

Baird, John Logie,; Baird Television Development Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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John Logie Baird letter to Mrs. Alec Tweedie, dated 30 December 1931

Baird, John Logie,; Baird Television Limited,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Joseph Henry letter to C.W. Renwick, dated Smithsonian Institution, Washington, 7 October 1857

Henry, Joseph,; Smithsonian Institution,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Joseph Lister letter to Louis Pasteur, dated 9 Charlotte Square, Edinburgh, 10 February 1874

Lister, Joseph, Baron,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Louis Pasteur letter to Edmond Terrel des Chênes, dated Ecole normale supérieure, Université de France, Paris, 19 October 1865

Pasteur, Louis,; École normale supérieure (France),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Louis Pasteur letter to "Monsieur," dated Paris, 11 February 1877

Pasteur, Louis,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Cover of Max Planck letter to the Allied Scientific Council, dated Kaiser-Wilhelm-Gesellschaft zur Förderung der Wissenschaften e.V., Generalverwaltung, Gött

Max Planck letter to the Allied Scientific Council, dated Kaiser-Wilhelm-Gesellschaft zur Förderung der Wissenschaften e.V., Generalverwaltung, Göttingen, 25 June 1945

Planck, Max,; Allied Scientific Council,; Kaiser Wilhelm-Gesellschaft zur Förderung der Wissenschaften,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Michael Faraday letter to Sir Charles Lemon, dated R. Institution, 25 April 1834

Faraday, Michael,; Royal Institution of Great Britain,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Milton Wright letter to Carl Dienstbach, dated 7 Hawthorne St., Dayton, Ohio, 22 December 1903

Wright, Milton,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Nikola Tesla papers

Tesla, Nikola,; Kerr, Page & Cooper (Firm),; Bartlett and Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Orville Wright letter to D.A. Willey, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 28 December 1903

Wright, Orville,; Wright Cycle Company,; Western Society of Engineers (Chicago, Ill.),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Orville Wright letter to Hilton C. Brewer, dated the Wright Company, Dayton, Ohio, 29 October 1912

Wright, Orville,; Wright Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Orville Wright letter to George F. Kunz, president, Museums of the Peaceful Arts, dated Dayton, Ohio, 28 May 1925

Wright, Orville,; Museums of the Peaceful Arts,; Smithsonian Institution,; Science Museum (Great Britain),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert Fulton letter to Charles Stanhope, 3rd Earl Stanhope, dated 12 December 1793

Fulton, Robert,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert Fulton letter to Robert R. Livingston, dated New York, 29 August 1807

Fulton, Robert,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert Fulton letter to Joseph Bringhurst, dated New York, 1 October 1812

Fulton, Robert,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert H. Goddard letter to Nils A. Riffolt, dated Shoreham Hotel, H Street Northwest at Fifteenth, Washington, D.C., 16 July 1922

Goddard, Robert Hutchings,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert H. Goddard letter to Robert C. Arey, dated Mescalero Ranch, Post Office Box 976, Roswell, New Mexico, 1 May 1931

Goddard, Robert Hutchings,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert H. Goddard letter to Lionel Aucoin, dated Mescalero Ranch, Post Office Box 978, Roswell, New Mexico, 7 March 1936

Goddard, Robert Hutchings,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert H. Goddard letter to Martin Sheridan, dated Mescalero Ranch, Post Office Box 978, Roswell, New Mexico, 29 September 1938

Goddard, Robert Hutchings,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Robert Koch letter to a colleague, dated Berlin, 1. Klosterstr 5/1, 17 January 1887

Koch, Robert,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Samuel F.B. Morse letter to Lucretia P. Morse, his wife, dated Washington, D.C., 16 December 1819

Morse, Samuel Finley Breese,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Samuel F.B. Morse letter to "My dear Sir," dated New York, 5 January 1842

Morse, Samuel Finley Breese,; United States. Congress. House,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Samuel F.B. Morse letter to Benjamin Silliman, dated New York, 14 August 1843

Morse, Samuel Finley Breese,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Samuel F.B. Morse letter to Sidney E. Morse, his brother, dated Washington, D.C., 10 April 1844

Morse, Samuel Finley Breese,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Samuel F.B. Morse letter to Sidney E. Morse, his brother, dated Washington, D.C., 10 April 1844

Thomas Alva Edison letter to Frank H. Scott, dated Menlo Park, New Jersey, 19 February, 1878

Edison, Thomas A.; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Thomas Alva Edison letter to Charles Lorenzo Clarke, dated New York [City], 1882

Edison, Thomas A.; Edison Electric Illuminating Co. of New York.; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Thomas Edison letter to E.P. Fabbri, dated Menlo Park, N.J., 5 March 1880

Edison, Thomas A.; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Thomas Edison letter to E.P. Fabbri, dated Menlo Park, N.J., 5 March 1880

Thomas Edison letter to R.D. Worrell Jewelry Co., dated Orange, N.J., 27 September 1910

Edison, Thomas A.; R. D. Worrell Jewelry Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Thomas Edison letter to R.D. Worrell Jewelry Co., dated Orange, N.J., 27 September 1910

Thomas Edison papers

Chicago Railways Company,; New York Edison Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Thomas Edison papers

H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Town meeting

H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

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Wilbur and Orville Wright letter to Carl Dienstbach, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 17 November 1905

Wright, Wilbur,; Wright Cycle Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Wilbur and Orville Wright letter to Carl Dienstbach, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 17 November 1905

Wilbur Wright letter to the editor of the Independent, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 10 February 1904

Wright, Wilbur,; Wright Cycle Company,; Western Society of Engineers (Chicago, Ill.),; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Wilbur Wright letter to the editor of the Independent, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 10 February 1904

Wilbur Wright letter to the editor of the Independent, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 19 February 1904

Wright, Wilbur,; Wright Cycle Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Wilbur Wright letter to the editor of the Independent, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 19 February 1904

Wilbur Wright letter to John T. Daniels, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 10 October 1905

Wright, Wilbur,; Wright Cycle Company,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Wilbur Wright letter to John T. Daniels, dated Wright Cycle Company, 1127 West Third Street, Dayton, Ohio, 10 October 1905

Wilhelm Röntgen letter to Alb. Rueprecht & Sohn, dated Physikalisches Institut, der Kgl. Universität München, 16 July 1907

Röntgen, Wilhelm Conrad,; Alb. Rueprecht & Sohn (Vienna, Austria),; Universität München. Physikalisches Institut,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about Wilhelm Röntgen letter to Alb. Rueprecht & Sohn, dated Physikalisches Institut, der Kgl. Universität München, 16 July 1907

William Crookes letter to Johann Karl Friedrich Zöllner, dated 20, Mornington Road, London, N.W., 11 December 1875

Crookes, William,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about William Crookes letter to Johann Karl Friedrich Zöllner, dated 20, Mornington Road, London, N.W., 11 December 1875

William Crookes letter to Douglas Sladen, dated 7 Kensington Park Gardens, W., London, 5 February 1915

Crookes, William,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about William Crookes letter to Douglas Sladen, dated 7 Kensington Park Gardens, W., London, 5 February 1915

William Herschel letter to Henry Brown, dated Slough near Windsor, 4 September 1803

Herschel, William,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).

Read more about William Herschel letter to Henry Brown, dated Slough near Windsor, 4 September 1803

William Mitchell letter to James M. Beck, dated War Department, Air Service, Office of the Chief, Washington, D.C., 4 November 1921

Mitchell, William,; United States. War Department. Office of the Chief of Air Service,; H.W. Lende, Jr. Manuscript Collection (Smithsonian Libraries).