On Display

Clocking-in machine, 1930.

This time recorder, made by the National Time Recording Co. Ltd., of London, was used at the Royal Aircraft Establishment, Farnborough, Hampshire up to 1976 to record the times of arrival and departure of workmen so that their wages could be calculat

Wind tunnel models of Concorde, 1955-1965.

Wind tunnel Models of Delta shaped Merged fuselage , elongated Narrow Delta , and hollowed out undersurface models in Concorde wing shape developement. In 1959 the Supersonic Transport Aircraft Committee recommended the construction of a fleet of lon

Coolidge X-ray tube, 1913-1923.
Early X-ray tube, c 1896.

Large pear shaped x-ray tube of form originally used by Prof. Rontgen, manufactured in Germany about 1896. Inside of glass at end of tube eroded by bringing cathode rays to a focus with a magnet; on stand

Watt's separate condenser, second model, 1765.

Second model separate condenser, formerly described as the "original" model. Made by James Watt (1736-1819), 1765. Early Newcomen engines were inefficient as their working cycle entailed continual heating and cooling of the cylinder, which wasted fue

Babbage's Difference Engine No. 1 (Trial Portion), 1832

Trial portion of the Difference Engine, the first known automatic calculator.

'The Activity' paint roller in metal paint tray, 1954-1964.

`The Activity' paint roller with metal paint tray and card storage box. A Wallpaper Stores Product. 1954-1964.

Arkwright's carding machine, 1775.

Carding machine by Arkwright, 1775, believed to be from Cromford Mill. This machine is similar to the cylindrical carding machine patented by Daniel Bourne in 1748. The cotton was first ginned and beaten, then fed on to the feed roller, called a "li

Arkwright's water frame, c 1775.

Improved spinning machine (water frame), Richard Arkwright, 1775. These spinning machines were driven by water power at Arkwright's Cromford mill, hence the name of Water Frame. This is an improvement on 1860-4, having an arrangement for guiding the

Ballooning scenes on a fan, late 18th century.

One fan, 10' x 19', light tortoiseshell covered sticks incorporating balloon. 3 painted panels. Ascension de Blanchard a Paris 1784. Experience de mm. Charles et Robert, 1783. Ascension des Freres Robert, 27 Aout 1783.