Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 225
Fie. 28.—Distribution curve of reflector HM-60 and 60-watt txmgsten lamp (large hvlb). 206 … Fig. 29.—Distribution curve of reflector HM-60 and 100-watt tungsten lamp. 207
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