Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 244
Fig. 9.—Illumination of pressing tables, siiop No. 12. Gas arc in clear globe an Jlow suspended fishtail burners produce glare effects. … Pig, 10.—Pressing table, shop No. 11, with opal extensivebowl type reflectors, 250 watt tungsten lamps. Theillumination was good. The lamps are well out of thevisual field of the worker. 221 connection with 8-iach conical tin reflectors. The lamps used wereten 60-watt Tungsten bulb 8-24^ aarge…
Occupational diseases · Factories · Textile industry · Industries
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