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Home » Gifford, Emma,

Gifford, Emma,

Associated date(s): 
1861-1936.
Cover of Natural tangents to every second of arc and eight places of decimals

Natural tangents to every second of arc and eight places of decimals

Gifford, Emma,
A. Hegwood & son
1920
  • Read more about Natural tangents to every second of arc and eight places of decimals
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