Latimer Clarks patent portable transit Instrument. Circa 1880 – 1882.

Made by A.J Frost, 6 Westminster Chambers, London, and supplied by Broadhurst, Clarkson & Co of Farringdon Road, London.

In case with Striding level, two shades, lens cap, and Illuminating speculum.

1 ¾ inch objective. Length: 48 cm.

Case dimensions: 55 x 33 x 17 cm.

For the same model of Transit instrument see the collection of:

The National Maritime Museum, Greenwich, London. Object ID: AST0983

Carter Observatory, Wellington, New Zealand. Object number: COB063

Literature:

A Treatise on the Transit Instrument as Applied to the Determination of Time, for the use of Country Gentlemen (1882).

A Manual of the Transit Instrument (1882).

Josiah Latimer Clark FRS, FRAS. (10 March 1822 – 30 October 1898).