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Set of six targets with backing plates

1960

CTS research microscope with serial no.M 201015

1950-1960

Monocular microscope

1950-1965

Monocular polarising microscope

1950-1965

compound microscope

1953

4" Tavistock theodolite no.41418

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

1962

Binocular research microscope

1950-1965

Monocular polarising microscope with triple rotating nosepiece and revolving stage

1940-1960

Level, numbered S04487, Hydrographic Office number 48

1941-1950

Level by Cooke, Troughton & Simms Ltd, 1959

1959

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

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

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

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

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

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

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

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

Theodolite

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

Planimeter for area measurement. Cooke, Troughton and Simms

Planimeter for area measurement. Cooke

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

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, 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

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

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

Letter from Cooke, Troughton & Simms Ltd

Correspondence from Cooke, Troughton & Simms Ltd

Letter from Cooke, Troughton & Simms Ltd