Light sources over fifty years.

Author(s)
Davies, I.F. & Glenny, E.T.
Year
Abstract

A variety of light sources are examined, and assessed in respect of high luminosity and good colour rendering. Described are the low pressure sodium lamp, high pressure mercury lamps, the Tungsten halogen lamp and the mercury vapour lamp.

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Publication

Library number
B 5226 T /85.2/ IRRD 208998
Source

Public Lighting, Vol. 39 (1974), No. 164 (15 February), p. 60-63 + 65, 7 fig., ref.

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