首页 / 官方藏书 / New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. / with Directions for Silvering, Adjusting, &c. / LETTERS AND EXTRACTS FROM THE FOLLOWING GENTLEMEN.

LETTERS AND EXTRACTS FROM THE FOLLOWING GENTLEMEN.

New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. / with Directions for Silvering, Adjusting, &c. · George Calver · 第 3 / 5 章