Light distribution from industrial reflector fitting No. 1: British engineering standard
Buckley, H.
Light distribution from industrial reflector fitting No. 1: British engineering standard /by H.Buckley and C.J.W.Grieveson - London: Publilshed under the Authority of Majesty's Stationery Office, 1926 - 25p.
Illumination Research
Technical Paper No. 3
Light distribution, Industrial reflector fitting, Reflectors and lamps, Lighting of industrial processes demands, National physical laboratory has investigated the distribution of light, Preparation of british standard specification,
P 621.32 / BUC/L
Light distribution from industrial reflector fitting No. 1: British engineering standard /by H.Buckley and C.J.W.Grieveson - London: Publilshed under the Authority of Majesty's Stationery Office, 1926 - 25p.
Illumination Research
Technical Paper No. 3
Light distribution, Industrial reflector fitting, Reflectors and lamps, Lighting of industrial processes demands, National physical laboratory has investigated the distribution of light, Preparation of british standard specification,
P 621.32 / BUC/L
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