Hatchwell Antiques has dated this Antique Brass Transit Instrument to the 1880s.
Made by A.
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).
Hatchwell Antiques has dated this Antique Brass Transit Instrument to the 1880s.
Furniture & lighting alongside clocks, scientific & optical instruments.
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