Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 228
Fig. 31.—Distribution curve of reflector HM-40 and 60-watt tungsten lamp (large bulb). 209 … Fig. 32.—Distribution curve of reflector HM-40 and 100-watt tungsten lamp.95485°—BuU. 71—15 14 210
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