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

by George Calver

Light Tests.

94 Ophiuchi. 5″ : 7, 13.

58 Ceti. 3″·5 : 6·5, 14.

γ Crateris. 3″ : 4, 14.

15 Monocerotis. 25″, 15″ : 6, 9·5, 15.

τ Orionis. 15″, 20″ : 4, 15, 12.

υ Ceti. 6″ : 4·5, 15.

ε Trianguli. 5″ : 5·5, 15.

179 Piscium. 3″ : 8·5, 15.

110 Herculis. 55″ : 5, 16.