Model, scale 1:30, of 240 ft wooden receiving tower for CH (Chain Home) radar, Mark I East Coast pattern Radio Communication 1936-1962
Sycamore (wood) case with lid, for the Mark of Alicante from the Castlereagh Collection Weighing & Measuring 1800-1818
Combined replica sleeve and original ball and socket for plane table outfit by W. & S. Jones Surveying 1801-1830
Set of 8 brass nested cup weights for the Mark of Alicante from the Castlereagh Collection for Alicante Weighing & Measuring 1800-1818
Sectioned catalyst convertor matrix for car exhaust, 1982-1983 Environmental Science & Technology 1982-1983
Set of 7 square brass grain weights and two folded pieces of paper: one of which is inscribed with ‘Alicante’, for the Mark of Alicante from the Castlereagh Collection Weighing & Measuring 1800-1818
Pair of dice made of ivory cellulose nitrate with black markings Plastics and Modern Materials 1900-1930
Cabinet No.0, for Elliott/NRDC 401 Computer MkI, c.1953 Cabinet No.0 Computing & Data Processing c. 1953
Pallet 7 of 12 -Part of Manchester University Differential Analyser, consisting of 16 feet central frame, 4 integrators, 2 input tables, output table, camera. The Manchester Differential Analyser is an analogue computer designed to solve a class of mathematical functions called differential equations. This machine was built by the Metropolitan-Vickers Electrical Company and completed in 1935 for the Physics Department at Manchester University. The machine was based on an American design, powered by electric motors, and uses mechanical components to model mathematical relationships. The central device is a disc-and-wheel device integrator which performs mathematical integration. Manchester University Differential Analyser Mathematics 1935
Boxed set of 9 brass nested cup weights for a Mark of 8 ounces for gold and silver from the Castlereagh Collection for Barcelona (Spain). Nested cup weights, brass Weighing & Measuring 1800-1818
The London Hospital Survival Predictor, 1972 The London Hospital Survival Predictor, London, England, 1972 Clinical Diagnosis 1972
Trial model for part of Babbage's difference engine, on board Demonstration model of Babbage's Difference Engine No. 1, 19th century. Computing & Data Processing 1871-1900
Wooden case for General Hannyngton's slide rule, formerly belonging to the inventor. General Hannyngton's slide rule, formerly belongin Mathematics
Brunsviga manual calculator model B 13RM ser.no.16459 by Olympia Werke AG, Wilhelmshaven but made in Spain. Brunsviga manual calculator model B 13RM ser.no.16459 by Olympia Werke AG Mathematics 1965-1975