New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S.
with Directions for Silvering, Adjusting, &c.
Author： Calver George
Publisher： Project Gutenberg
Publication year： 2016
E-ISBN: gutenbur53494
Subject： L No classification
Keyword： 暂无分类
Language： ENG
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New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. with Directions for Silvering, Adjusting, &c.