Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 227
Fig. ^0.—Distribution curve of reflector HM-60 and 150-watt tungsten lamp. 208 … Fig. 31.—Distribution curve of reflector HM-40 and 60-watt tungsten lamp (large bulb). 209
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