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Glass plate photograph plate measurer for positional astronomy by Henry Porter

1853-1856

Double-frame brass sextant.

1810-1826

Telescope "G10" engraved Thos Jones, Charing Cross, London, "3 1/2" O.G. body 3' 7 1/2" long 3 3/4" diam, 3 inverting eye pieces, 1 erecting eyepiece, tube with two powers, 2 dark glasses, 1 brass cap for eye end, finder 10 3/8" x 7/8", in mahogany box with key

Telescope "G10" engraved Thos Jones, Charing Cross, with case

1815-1850

Eyepiece for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850

Eyepiece fitted with dark glass, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850

Finder 10 3/8” by 7/8”, for refracting telescope by Thomas Jones, 1815-1850.

Finder for Refracting Telescope by Thos Jones

1815-1850

Tube with two powers for refracting telescope by Thomas Jones, 1815-1850.

Tube with Two Powers for Refracting Telescope by Thos Jones

1815-1850

Eyepiece marked 3, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850

Eyepiece marked 5, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850

Eyepiece fitted with dark glass, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850

Eyepiece fitted with dark glass, for refracting telescope by Thomas Jones, 1815-1850.

Eyepiece for Refracting Telescope by Thos Jones

1815-1850

Key for wooden case, for refracting telescope by Thomas Jones, 1815-1850.

Key for Case for Refracting Telescope by Thos Jones

1815-1850

Brass cap for eye end, for refracting telescope by Thomas Jones, 1815-1850.

Brass Cap for Refracting Telescope by Thos Jones

1815-1850