A brass and steel precision level with clinometer by Cooke Troughton & Simms of York, England, circa 1925.
Level scale marked: 1 DIV = 1 IN 10000
Clinometer scale marked: 1 DIV – 3 IN 1000 (1 DIV = 10 MINS ANGLE.)
End plate marked: MADE BY COOKE TROUGHTON & SIMMS AT YORK. ENGLAND. E.O.95255
Length: 21 cm.
In fitted case: 26 x 9 x 11 cm.
Cooke, Troughton & Simms, Buckingham Works, York, was a British instrument making firm formed in 1922 by the merger of T. Cooke & Sons and Troughton & Simms.
Literature on C.T.& S.: Instrument Makers to the World: History of Cook, Troughton and Simms, 1992, Anita McConnell.
Antique ID Number (AIDN): SA1170836
Dateline of this antique is 1920
Height is 11cm (4.3inches)
Width is 26cm (10.2inches)
Depth is 9cm (3.5inches)
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