Theodolite telescope

Telescope for the "A" frame telescopic theodolite, erect with cross wires. O.G. dia 1" (2.5cm). Milled knob at centre for focus at O.G. end. A spirit level 2.5" (6.3cm) long is mounted on upperside of telescope.

Object Details

ID: NAV1462.2
Type: Theodolite telescope
Display location: Not on display
Creator: Worthington & Allan
Date made: circa 1830
Credit: National Maritime Museum, Greenwich, London. Caird Fund.
Measurements: Overall: 52 mm x 235 mm x 319 mm
Parts: Theodolite