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Watkin type clinometer, British, 1897-1900

1897-1900

Circular instrument dividing engine made by T. Cooke & Sons Ltd, London, England,1908. The cast brass dividing circle (42-inch diameter) with 1,080 teeth is fitted inlaid silver scale on a heavy cast iron table base.

Circular instrument dividing engine.

1908

Photograph of 3" Zenith telescope, in glazed frame 17 1/4" x 21 1/4".

Photograph of 3" Zenith telescope

1921

Photograph of 3" transit instrument, in glazed frame 17 1/4" x 21 1/4".

Photograph of 3" transit instrument

1921

Rail profile set, standard, end and two sides, for BS 45lb flat-bottomed rail, NPL No.285, Crown Agents No.12/45/1, made by T. Cook & Sons Ltd., London & York, in original captioned fitted mahogany case.

Rail profile set, T. Cooke & Sons Ltd

Compensated altimeter.

Twenty-two assorted bubble tubes and levels, by T. Cooke & Sons Ltd, c. 1920. One bubble broken.

Assorted bubble tubes and levels, 1920

1920-1921

Photograph of 7" equatorial telescope

1921

Cooke Speed Pancho lens. Lens; F:75mm f/2 no. 295276.

Cooke Speed Panchro lens

Cooke wide-angle anastigmatic lens. F. 4 1/2", 108mm; series VIIB f.6.5-45 (f.11 largest useable aperture). Fits 0173 TP camera.

Cooke wide-angle anastigmatic lens. F. 4 1/2"

Leather case for a Cooke wide-angle anastigmatic lens.

Case for a Cooke wide-angle anastigmatic lens

Annulus ring from stand for Cookson Floating Zenith Telescope

1900

Three support legs from stand for Cookson Floating Zenith Telescope

1900

Fishplate profile set, standard, end and side, for BS 30lb flat-bottomed rail, angle fishplates, Crown Agents No.12/30/2, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case

Fishplate profile made by T. Cooke & Sons Ltd

Fishplate profile set, standard, end and side, for BS 30lb flat-bottomed rail, shallow fishplates, NPL No.13819, Crown Agents No.12/30/3, made by T. Cooke & Sons Ltd. for the Engineering Standard Committee, in original captioned fitted mahogany case

Fishplate profile set made by T. Cooke & Sons Ltd

Rail profile set, standard, end and two sides, for BS 30lb flat-bottomed rail, NPL 13188, Crown Agents No.12/30/1, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case.

Rail profile, T. Cooke & Sons Ltd

Cooke wide-angle anastigmatic lens. F. 4 1/2", 108mm; series VIIB f.6.5-45 (f.11 largest useable aperture) With two lens caps, in leather case. Fits Thornton-Pickard Time and Instantaneous Camera (1990-5036/173).

Cooke Wide-angle Anastigmatic Lens

5 1/2 inch photo-visual refracting telescope with manual slow motion, made by T. Cooke & Sons Limited, early 20th century. The telescope is fitted on a ‘class b’ equatorial mounting. Original pedestal and clock drive are missing.

5 1/2 inch Photo-visual refracting telescope by T. Cooke & Sons Limited

1897-1921

Two lens caps for a Cooke wide-angle anastigmatic lens.

Lens cap for a Cooke wide-angle anastigmatic lens

Wooden box containing 4 metal objects with lenses, 1 bottle of 'Brillantine', and numerous screws for Cookson Floating Zenith Telescope.

Wooden box containing 4 metal objects with lenses

1900

Tube and optics for Cookson Floating Zenith Telescope

1900

Key profile, standard, ends and sides, sections 1" from each end, for BS 60lb flat-bottomed rail, Crown Agents No.E6, profile by T. Cooke & Sons Ltd., London & York, in original captioned fitted mahogany case

Key profile made by T. Cooke & Sons Ltd

Fishplate profile set, standard, end and side, for BS 50lb flat-bottomed rail, angle fishplates, NPL No.28150, Crown Agents No.12/50/2, by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case

Fishplate profile set made by T. Cooke & Sons Ltd

Fishplate profile set, standard, end and side, for BS 45lb flat-bottomed rail, angle fishplates, NPL No.12369, Crown Agents No.12/45/2, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case

Fishplate profile set made by T. Cooke & Sons Ltd

Rail profile set, standard, end and two sides, for BS 80lb bull-head rail, NPL No.325, Crown Agents No.12/80/3, by T. Cooke & Sons Ltd., London and York, in original captioned fitted mahogany case.

Rail profile set, T. Cooke & Sons Ltd.

Fishplate profile set, standard, end and side, for BS 80lb flat-bottomed rail, angle fishplates, NPL No.12275, Crown Agents No.12/80/2, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case

Fishplate profile set made by T. Cooke & Sons Ltd

Fishplate profile set, standard, end and side, for BS 60lb flat-bottomed rail, shallow fishplates, NPL No.49843, Crown Agents No.12/60/3, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in non-original captioned fitted mahogany case, caption missing

Fishplate profile set made by T. Cooke & Sons Ltd

Rail profile set, standard, end and two sides, for BS 55lb flat-bottomed rail, NPL No.216, Crown Agents No.12/55/1, made by T. Cooke & Sons Ltd., London & York, in original captioned fitted mahogany case with British Haematite Steel Co. Ltd. transfer on lid.

Rail profile set, T. Cooke & Sons Ltd

Fishplate profile set, standard, end and side, for BS 60lb flat-bottomed rail, angle fishplates, NPL No.12370, Crown Agents No.12/60/2, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case

Fishplate pofile set made by T. Cooke & Sons Ltd.

Rail profile set, standard, end and two sides, for BS 60lb flat-bottomed rail, NPL No. 12305, Crown Agents No.12/60/1, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case.

Rail profile set, T. Cooke & Sons Ltd

Fishplate profile set, standard, end and side, for BS 55lb flat-bottomed rail, angle fishplates, NPL No.13324, Crown Agents No.12/55/2, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case, with British Haematite Steel Co. Ltd. transfer on lid

Fishplate profile set made by T. Cooke & Sons Ltd

Rail profile set, standard, end and two sides, for BS 80lb flat-bottomed rail, NPL No. 12274, Crown Agents No.12/80/1, made by T. Cooke & Sons Ltd. for the Engineering Standards Committee, in original captioned fitted mahogany case.

Rail profile set, T. Cooke & Sons Ltd

Photograph of 18" Siderostat in glazed frame 17 1/4" x 21 1/4"

1921