Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 136
Fig. 8.—Characteristic illiuninatiou gradient, cutting table parallel to window. … ^ee >• pfo m£^t ei\d. of f^ Mf\—g Jo /V 20 2.S io sV -»<> ts So ■rx bo Fig. 9.—Characteristic illumination gradient, cutting table in center of shop. An inspection of these figures shows how rapidly the illuminationfalls off as the distance from the window increases in the case oftables…
Occupational diseases · Factories · Textile industry · Industries
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