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General

Published online by Cambridge University Press:  11 November 2009

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Extract

The transmission of ultra-violet light through tracing cloth, by C. H. Young. Nature, London, 123, 1929, No. 3089, p. 47, fig. 1.

A brief communication announces that ordinary commercial tracing cloth transmits ultra-violet light to a surprising extent. The transmission is not affected to a marked degree by the thickness of the cloth and number of meshes to the centimeter. In angstrom units the limit of transmission was 2,535 for three samples of the cloth and 2,482 for two others, while the limit of various papers tested lay between 4,339 and 3,125.

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General
Information
International Review of Poultry Science , Volume 3 , Issue 1-2 , July 1930 , pp. 109 - 112
Copyright
Copyright © World's Poultry Science Association 1930

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