On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photographyHenry Draper

On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography

Name: On the Construction of a Silvered Glass Telescope Fifteen and a half inches in aperture, and its use in celestial photography
Author: Henry Draper

Henry Draper · 2016

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ספרייה ציבורית, Project Gutenberg. בלי הרשמה.

AstronomyAstronomical photographyReflecting telescopes