Naval telescope

This achromatic telescope has a tapered mahogany barrel with a black leather cover. It has a single brass draw tube. There is a brass cap for the objective lens, while the eyepiece has a sliding cover.

An inscription on the draw tube reads ‘Spencer Browning & Rust / LONDON / Improved’. The firm of Spencer Browning & Rust began trading from Wapping in about 1784.

A second inscription names ‘Mr St Quintin, / 49, Green St, Grosvenor Square.’, presumably a previous owner. In addition, a handwritten label on the telescope records that it once belonged to Admiral Darby, who died in 1790.

Object Details

ID: NAV1605
Collection: Astronomical and navigational instruments
Type: Naval telescope
Display location: Not on display
Creator: Spencer Browning & Rust
Date made: circa 1790
Credit: National Maritime Museum, Greenwich, London, Caird Collection
Measurements: Overall: 655 mm; Diameter: 60 mm
Parts: Naval telescope