San Francisco : Architect and Engineer, Inc · leaf 64
siness classification is repre-sented, from aviation to welding. GIVEN CERTIFICATES TO PRACTICE At the September 12th meeting of the NorthernCalifornia Section of the State Board of Archi-tectural Examiners, the following candidates weregranted Provisional Certificates: C. A. Caulkins. Jr..… … IN seven out of ten industrial establishments,work is slower and poorer, production costswastefully high, because of improper lighting. In such shops and factories, efficient lightingcan increase per-man production from 107( to359c—effect economies in proportion. Actual testsprove it! Use these…
Architecture · Building
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