Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 477
ght is of great economic benefit andis an assurance of fewer needless acci-dents in years to come. Lighting codes so far established arevirtually safety codes for they dealwith very moderate intensities over all.•hop areas. The proper degrees of Il-lumination from considerations ofmanufacturing… … T* 3 3 :^ ■■ fl II II 11 ■■ ■■eg li ii n n ^? II II II II w ■* II IS w r
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