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Lindley type extensometer

1940-1960

Extensometer made to Professor J A Ewing's specification (Pat No 1447/1894)

Lindley type extensometer for measuring the extension of samples under test strain

1950-1970

Marking-Off Tool Set for Ewing Extensometer, Serial Nos C528316 and C537912, by Cambridge Instrument Co Ltd, UK, 1951, in wooden carrying case, used in the Structural Engineering Laboratory of Imperial College, London

Marking-Off Tool Set for Ewing Extensometer

1951

Cambridge Textile Extensometer testing machine (used at Consumers Association test laboratory). Manufactured at Chesterton Road Works, Cambridge, c. 1960

Cambridge Textile Extensometer testing machine (used at Consumers Association test laboratory)

1960

Laserscan 100 Extensometer for measuring the strain of plastic and rubber type materials in conjunction with Lloyd Instruments Material Testing Machines

Laserscan 100 Extensometer

Ewing Extensometer, Serial No C516437, by Cambridge Instrument Co. Ltd, UK, 1952, used for strain measurement in the Structural Engineering Laboratory of Imperial College, London

Ewing Extensometer

1952

Extensometer 200 inches, made by Road Research Laboratory, Harmondsworth, Middlesex, crated, with Carry handles

Extensometer 200 inches