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Books by HENRY DRAPER

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2 books found
On the construction of a silvered glass telescope, fifteen and a half inches in aperture, and its use in celestial photography
On the construction of a silvered glass telescope, fifteen …
By: Henry Draper, G W. b. 1864 Ritchey
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A Text-Book On Chemistry
A Text-Book On Chemistry
By: HENRY DRAPER
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