Schereschewsky, Joseph Williams, 1873-, Tuck, Davis Henry, 1886-1953, United States. Public Health Service. Public health bulletin no. 71 · Washington, Govt. print. off. · leaf 168
FiQ. 4.—^Method of determiTiing angle of glare at pressing tables. The angle of glare at pressing tables is determined as follows: Let L = height of lamp from top of boards. Let E=height of eye from floor. Let T=height of top of table from floor. Let B = height of top of boards from table top. Let… … Fig. S.—Method of determining angle of glare at finishing tables. The angle of glare at the finishing tables is determined as foUows: Let L=height of lamp from top of table. Let E=height of eye from floor. Let T = height of top of table from floor. Let D=horizontal distance of lamp from eye. Let…
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