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CTS research microscope with serial no.M 201015

1950-1960

Set of six targets with backing plates

1960

Monocular microscope

1950-1965

Monocular polarising microscope

1950-1965

compound microscope

1953

C.T.S. binocular microscope no. M106977 in case with accessories

1962

Monocular polarising microscope with triple rotating nosepiece and revolving stage

1940-1960

4" Tavistock theodolite no.41418

Level, numbered S04487, Hydrographic Office number 48

1941-1950

Level by Cooke, Troughton & Simms Ltd, 1959

1959

Binocular research microscope

1950-1965

Fishplate profile set, standard, end and side, with ledge gauge, for BS 55R flat-bottomed rail, angle fishplates, NPL No.56097, Crown Agents No.12/55R/2, made by Cooke, Troughton & Simms Ltd. for the Engineering Standards Committee, fishplate profiles inscribed Tanganyika Railway, Requisition No.834/1, Dorman Long & Co. Ltd., Middlesbrough, April 1930, in original fitted mahogany case

Fishplate profile made by Cooke, Troughton & Simms Ltd

Fishplate profile set, standard, end and side, for BS 45R flat-bottomed rail, shallow fishplates, NPL No.55968, Crown Agents No.12/45R/2, made by Cooke, Troughton & Simms Ltd. of the Engineering Standards Committee, in original captioned fitted mahogany case, profile inscribed Tanganyika Railway, Requisition Nos.696/6, 682/6, Dorman Long & Co. Ltd. , 1930, on back, possibly a secondary inscription

Fishplate profile made by Cooke, Troughton & Simms Ltd

Rail profile set, standard, end and side, for BS 55R flat-bottomed rail, NPL No.56092, Crown Agents No.12/55R/1, made by Cooke, Troughton & Simms Ltd. for the Engineering Standards Committee, in original fitted mahogany case.

Rail profile, Cooke, Troughton & Simms Ltd

Rail profile, standard, end and side, for BS 60R flat-bottomed rail, made by Cooke, Troughton and Simms Ltd., for the Engineering Standards Committee.

Rail profile, Cooke, Troughton & Simms Ltd

Fishplate profile, standard, end, for BS 80R flat-bottomed rail, angle fishplates, unnumbered Crown Agents series, by Cooke, Troughton & Simms Ltd., for the Engineeing Standards Committiee

Fishplate profile made by Cooke, Troughton & Simms Ltd

Cooke Reversible Transit Circle, manufactured by Cooke, Troughton & Simms Ltd, York c.1928 for the Royal Observatory, Greenwich. Used to measure positions of stars and planets at Greenwich (1933-post WWII), Herstmonceux (post WWII-1982) and Brorfelde Observatory, Denmark.

Cooke Reversible Transit Circle

1925-1933

Precise levelling staff by Cooke, Troughton & Simms Ltd, York, England, as new condition, c. 1975

Levelling staff, British, 1971-1980

1971-1980

Vickers projection microscope by Cooke, Troughton & Sims Ltd, York, 1941, with an associated manual "Photomicrography with the Vickers Projection Microscope, 5th Edition, 1956".

Vickers Projection Microscope

1941

Rail profile set, standard, end and side, for BS 45R flat-bottomed rail, Crown Agents No. 12.45R.5, made by Cooke, Troughton & Simms Ltd., London & York, in original fitted mahogany case.

Rail profile set, Cooke, Troughton & Simms Ltd

45 degree prismatic astrolabe by Cooke, Troughton & Simms Ltd. of London & York. No.19921. Boxed, HO 2, with stool

45 degree prismatic astrolabe by Cooke

1941-1950

Two clip profiles, standard, ends and sides, outside and inside, for BS 45R flat-bottomed rail, modified type `F' clips, drawing Z3822, unnumbered Crown Agents series, profiles by Cooke, Troughton & Simms Ltd., London & York

Two clip profiles

Vickers inverted projection microscopes with box of accessories, 8x,9x,10x and 12.6x eyepieces, on wooden cabinets, by Cooke, Troughton and Simms, English, 1935-1950

Vickers inverted projection microscopes with box of accessories

1935-1950

Sleeper plate profile, standard, end, BS 12 S, Crown Agents No.10/3 (duplicate), made by Cooke, Troughton & Simms Ltd., Workington profile, 1934, in original fitted mahogany case

Sleeper plate profile made by Cooke, Troughton & Simms Ltd

1934

Rail profile, standard, end and side, for BS 60R flat-bottomed rail, made by Cooke, Troughton and Simms Ltd. for the Engineering Standards Committee.

Rail profile, Cooke, Troughton & Simms Ltd

Fishplate profile set, standard, end and side, for BS 80 flat-bottomed rail, angle fishplates, NPL Bo.55985, Crown Agents No.12/80R/2, made by Cooke, Troughton & Simms Ltd. for the Engineering Standards Committee, in original fitted mahogany case

Fishplate profile made by Cooke, Troughton & Simms Ltd

5" Tavistock theodolite no.VO.552 (geodetic) by Cooke, Throughton and Simms, in fitted box

Theodolite

Prismatic astrolabe by Cooke, Troughton & Simms Ltd, York & London, England, 1928-1932

Prismatic astrolabe, British, 1928-1932

1928-1932

Ultra-violet microscope of the Beck-Barnard type with quartz optics and a fluorescent eyepiece, made by Cooke, Troughton & Simms Ltd., York, in 1946. Two units, microscope on separate base, carbon arc-lamp light source and other parts fitted on optical bench track. In use both would have been mounted on an optical table.

Ultra-violet microscope of the Beck-Barnard type with quartz optics and a fluorescent eyepiece

1946

Fishplate profile set, standard, end and side, for BS 45R flat-bottomed rail, angle fishplates, Crown Agents No.12/45R/6, made by Cooke, Troughton & Simms Ltd., London & York, in original fitted mahogany case

Fishplate profile made by Cooke, Troughton & Simms Ltd

Rail profile, Crown Agents standard, end and side, for BS 80R flat-bottomed rail, made by Cooke, Troughton & Simms Ltd. for the Engineering Standards Committee

Crown agents standard rail profile

Planimeter for area measurement. Cooke, Troughton and Simms

Planimeter for area measurement. Cooke

Letter from Cooke, Troughton & Simms Ltd

Correspondence from Cooke, Troughton & Simms Ltd

Letter from Cooke, Troughton & Simms Ltd