HINTS ON Silvered-Glass Reflecting Telescopes .

Adjustments.

CATALOGUE OF Silvered Glass Reflecting Telescopes, and c., AND THEIR ACCESSORIES,

APPENDIX TO Hints on Silvered Glass Reflecting Telescopes.

CATALOGUE OF Silvered Glass Reflecting Telescopes, and c., AND THEIR ACCESSORIES, (2)

LETTERS AND EXTRACTS FROM THE FOLLOWING GENTLEMEN.

NEW EDITION
OF
HINTS
ON
Silvered-Glass Reflecting
TELESCOPES

MANUFACTURED BY

MR. G. CALVER, F.R.A.S.

WITH DIRECTIONS FOR SILVERING, ADJUSTING, &c.

1877.

GEORGE CALVER,

HILL HOUSE, WIDFORD,

CHELMSFORD, ESSEX.