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Twelve envelopes, each with instructions and containing a gelatin lamel, in leather wallet, inside waterproof outer case

1915

Pair of silver plated steel framed spectacles, oval lenses and steel wire folding spring arms in wooden hinged case, unsigned, marked Terrace & Shrubbery, Southend in Essex England, 1825-1875.

Silver spectacles in case

1825-1875

Miniature folding opera glass (Galilean type), with fob ring and case, by Dollond, London, England, 1800-1850

Miniature folding opera glass in case

1800-1850

Prospect glass (spyglass) telescope with silver-plated metal body, 1-draw metal with shutter lens covers (front one missing) in fishskin case, unsigned, European, 1730-1750.

Prospect glass (spyglass) telescope in fishskin case

1730-1780

Deci-ampere electric current balance no.126 by James White, Glasgow in glazed metal case with box of weights and fittings (one missing)

Deci-ampere electric current balance no.126, in glazed metal box with components

Type 'B' full pressure suit and helmet supplied by the Royal Aircraft Establishment (RAE) and Martin Baker ejection seat, Mk 3J, by Martin-Baker Aircraft Company, Denham, Middlesex, England, 1956. Seat is affixed to wood display stand.

Type 'B' full pressure flying suit and helmet, and Martin Baker ejection seat, Mk 3J

1956

Moving coil sector voltmeter 0-250 v. D.C. 24" scale, large illuminated dial. (Modern), with cover

Moving coil sector voltmeter 0-250 v. D.C. 24" scale

moving coil reflecting galvanometer, Sullivans, no.1164

moving coil reflecting galvanometer

Plessey current meter Type MO21, by Plessey Environmental Systems (UK), England, 1976.

Plessey current meter Type MO21

1976

Double transferrer for air pump experiments, on turned mahogany stand, by Horne and Thornthwaite, London, and Single transferrer for air pump experiments, unsigned, British, 1871-1900 (see note)

Double transferrer, and single transferrer for air pump experiments

Model, scale 1:16, of a riverboat from the Irrawaddy River, known as an oil-boat as it was used to transport petroleum from Burma, with woven roofs, unsigned, Rangoon, Yangon, Myanmar, 1893-1903

Model of a Burmese oil boat, with projecting platform for additional cargo storage

1893-1903

Ten dummy samples of labelled compounds, by Amersham International plc, Amersham, Buckinghamshire, England, 1972-1982

Ten dummy samples of labelled compounds

1972-1982

Pair of zoom 7x to 14x35 binoculars, with adjustable left eyepiece, with rectangular carrying case (without carrying straps) by Commodore, Japan, 1970-1979

Pair of Zoom 7x to 14x35 binoculars, with black carrying case

1970-1979

Four trussed beam models on a purpose built wooden stand, with one oak wood fragment, unsigned, United Kingdom, 1855-1876. Probably used experimentally for testing the strength of different methods of trussing beams.

Four trussed beam models on a purpose built wooden stand

1855-1876

Elliott sector ammeter 0-12A; serial No.1107646, with 6 shunts 0.12A; 005A; 1.2.AM; 3A; 6A & 12A. (7 parts)

Elliott sector ammeter 0-12A

2 small iron valved water bottles in frame, ex-Arctic Expedition, 1818

2 small iron valved water bottles in frame

1818

Two pairs of bifocal spectacles, in vinyl covered steel cases, one pair dispensed with two lens cloths by Theodore Hamblin Limited, London, unsigned, United Kingdom, and the other pair dispensed by C. Riley, United Kingdom, unsigned, United Kingdom, 1955-1965

Two pairs of bifocal spectacles, with cases and lens cloths

1955-1965

Pair of black plastic frame spectacles, with brass effect 'leaf' decorations on front of frame, unsigned, Paris, France, and red plastic coated steel spectacle case, and lens cloth, unsigned, United Kingdom, dispensed by Coton & Hamblin, Woolwich, London, 1965-1970

Black plastic frame spectacles, with brass 'leaf' decorations and red case

1965-1970

Pair of transparent plastic framed spectacles, unsigned, and red plastic coated spectacle case, unsigned, supplied through the National Health Service, dispensed by Frewin & Ellis, Slough, Buckinghamshire, England, 1960-1969

Pair of transparent plastic framed spectacles

1960-1969

Trade card: Edward Nairne, 20 Cornhill, opposite the Royal-Exchange, London. Optical, Philosophical and Mathematical Instruments. Directions for using the Achromatic Prospective-Glass, which is illustrated on a separate sheet. 289 x 205 mm (directions) & 156 x 215 mm (illustration). (Calv. 282)

Trade card: Edward Nairne

1772-1796

Spy glass telescope (Galilean type), gilded brass tube covered with mother-of-pearl and decoration, with fishskin covered wooden cylindrical case, unsigned, European, 1780-1820.

Spy glass telescope in fishskin case

Synchroniser, by Everett Edgecumbe.

Sizewell gas fuel grab nose unit No. 48 and plywood protective box, unsigned, British, 1972-1982

Gas fuel grab nose unit No. 48 and plywood protective box

1972-1982

Quartz spectrograph (E.31) with case and accessories by Adam Hilger Ltd., London, 1932

Quartz spectrograph (E.31) with case and accessories by Adam Hilger Ltd.

1932

Air pump with metal valves and separate plate, on tripod stand, with spanner, by Yeates and Son, Dublin, Ireland, 1889 (see note)

Air pump with separate plate

1889

Four large black and white photographic prints, mounted on card, showing CERN, by Science Museum Photographer and Science Museum Workshops, South Kensington, London, England, 1965

Four large black and white photographic prints

1965

Automatic Pressure Regulator, type A 2/1, No. 18426 (without resistance), with cover.

Automatic Pressure Regulator

Elliott Bros. "Century" test set no.1390 complete with 150A and 600A shunts in mahogany box

Five black and white photographic prints showing the tracks of fast beta-rays from radium E, by Dr. E.J Williams at the Dept. of Physics, University College of Wales, Swansea, Wales, 1935-1937

Five black and white photographic prints showing the tracks of fast beta-rays from radium E

1935-1937

Portable recording tide gauge by A. Lege & Co. Ltd., c. 1887.

Portable recording tide gauge by A. Lege & Co. Ltd.

1887

Bifocal spectacles with box and receipt, unsigned, supplied by A. R. Turner & S. W. Jackson, Crewe, Cheshire, England, 1948

Bifocal spectacles with box and receipt

1948

Pair of brass spectacles, with vinyl covered steel case and two lens cloths, later dispensed by Sterks Martin, Kent, England, and orginally dispensed by A. E. Newbold Limited, England, unsigned, United Kingdom, 1830-1870

Pair of brass spectacles

1830-1870

Pair of lightweight opaque plastic framed spectacles, for use following a cataract operation, made by Combined Optical Industries Ltd, Slough, and grey plastic case and yellow textile lens cloth, unsigned, both spectacles and case supplied by Edward Marcus Ltd, Moorfields, London, England, 1980-1983

Lightweight post cataract operation glasses

1980-1983

Model, scale 1:5, Pelton wheel turbine, with separate base and associated drawing. The model, by Peter Koch, Victor Gelpke and Paul Kagel, Germany, 1907-1917, represents an installation by Messrs. Amme, Giesecke and Konegen of Brunswick, invented by Lester Allan Pelton. Part sectioned to show Pelton wheel.

Pelton Wheel Turbine

1907-1917