Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 229
Fig. 32.—Distribution curve of reflector HM-40 and 100-watt tungsten lamp.95485°—BuU. 71—15 14 210 … Fig. 33.—Distribution curve ot reflector D-16 and 100-watt tungsten lamp. 211
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