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Creator

Sport and General Press Agency Biography Biography
The Sport and General Press Agency is known to have been operating from 1910 until c1970 as a news and photographic agency. The company was based in Essex Street initially, before moving to Fleet Street. Much of the company's photographic archive was destroyed in a bombing raid in 1941. The business remained active in 1970, when the company won two British Press 'Picture of the Year' awards. Copyright in Sport and General Photographs passed to Alpha Photo Press Ltd.

Scope and Content
Photograph with a caption that reads: '144902. "Kepes" Ephimeter. For measuring Young's Modulus and the modulus of internal friction. The purpose of this apparatus is to enable the modulus of elasticity and the coefficient of internal friction to be measured simultaneously. The test-piece is a circular cylinder. Its base being fixed in a rotating vertical shaft, it is acted upon at its upper end by a horizontal forces, the direction of which is fixed. As a result of the consequent rotary flexion every part of the test-piece is subjected to a sinusoidal tension and compression the frequency of which is equal to the number of revolutions per second performed by the rotating shaft. (Etaakissements Saintgobain).'
Extent
1 photograph
Language
English
Level of description
ITEM
Repository name
Science Museum, London
Conditions governing access
Open access
Conditions governing Reproduction
Copies may be supplied in accordance with current copyright legislation and Science Museum Group terms and conditions