Technology Primary tabsAll(active tab) Books Images Exhibitions Digital Collections Books World's Columbian Exposition art... Unsere weltausstellung Proposed act of Congress, 1890 The Practical mechanic's journal v... Universal tinting colors Annual report of the Commissioner of... Annual report of the Commissioner of... Constructions en briques Official souvenir Louisiana Purchase... The book of the fair v. 6 To the Committee for the International... Arts appliqués et industries d'... Scientific American monthly v. 2 no. 1-... Livre d'or de l'Exposition Interference, B. M. Johnson vs. Odell... Industry 1894 Index of patents issued from the United... American soap journal and manufacturing... [Graphophone patents] v. 14 Commemorating the event of the first... Report of the Commissioner of Patents... Annual report of the Commissioner of... Catalogue général officiel t. 13 Index of patents issued from the United... Previous Next Images Seeley Bros. Plate 1 from Seeley... Turkey, No. 1. Liverpool. Canada. State board of health exhibi Caduceus from Georgii Agricolae De re... Decorative designs for use on baths p. 384 of Georgii Agricolae De re... "General view of the exterior of... Image from Dickinsons'... Pennsylvania Public Institutions Exhibit Book cover design by František Muzika... workers washing up with clock Barclay's printing press Color illustration of decorated bath... Portrait of Hiram Stevens Maxim Bureau centrale telephonique from Les... Color illustration of decorated bath... Color illustration of decorated bath... India, No. 7. Image from BROWN PYROMETERS India, No. 6. Magna-Rod & - device for locating... Decorative designs for use on baths Previous Next Exhibitions Underwater Web: Cabling the Seas A Jules Verne Centennial: 1905 - 2005 Instruments for Science Doodles, Drafts & Designs:... Fantastic Worlds Digital Collections Instruments for Science Library and Archival Exhibitions on... Shedding Light on New York Trade Literature Collection