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Author

George Calver

1 free book by George Calver, free to read online. Chapter 1 of any book is free, no account needed.

Writes aboutScientific apparatus and instrumentsReflecting telescopes
Cover of New Edition of Hints on Silver-Glass Reflecting Telescopes Manufactured by Mr. G. Calver, F.R.A.S. with Directions for Silvering, Adjusting, &c.

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