Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 127
Fig. 4.—Sharp-Millar photometer. .,^....-.-.,-..^s. u. „ ^Tcj e_ … Fig. 5.—Side elevation and plan of Sharp-Millar photometer.
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