Browse Items (3473 total)

Brass telescope with attached brass tripod, 2 steadying rods and 3 fold away tripod feet. Fold away into original box. Comes with 1 terrestrial and 3 astronomical eyelenses, brass lens cap and brass extending tube.

A long brass instrument with one telescope end and one collimator end on brass stand. Adjustable entrance window, 0-50 scale divisions of 1 unit, marked every 10. Also adjustable gap between 2 components, scale from 0 to 100, divisions of 1 unit,…

Brass terrestrial eyepiece for a telescope with screw thread fitting

Large 2 lens objective from a astronomical telescope. Steel casing. Around lens is inscription.

brass framed screw-on telescope objective with focal length approx.30" (760 mm).

Brass stand with 3 feet, possibly for a telescope.

Reflecting telescope with Gregorian optics, possibly made in London, concave secondary mirror, no name on speculum-metal primary mirror. Unusual brass pillar stand possibly made in Edinburgh. Upright image of magnification x8.
Inscription: Old label…

Brass telescope style component with large convex lens on one end creating fish eye effect. 2 clamps on barrel suggesting part of a system.

Bronze ring: decoration : ridges.