Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 218
FiQ. 21.—Distribution curve ot reflector C-8 and 50-watt gem lamp. 199 … FliJ. 22.—Distribution curve of reflector C-8 and 60-watt tungsten lamp (large bulb). 2UU
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