The Architect & engineer of California and the Pacific Coast (1905)
San Francisco, Calif. : Architect and Engineer Co · leaf 236
^ \ t t t i I J /^ _ ; … recommended to arrange heavy overhead fixtures so that they can be raisedand lowered as a body, which calls for building in special hoisting appliances.Arc lamps have the further great advantage, that they are more economical ofcurrent than the incandescent types. The cost of current for flaming…
Architecture · Building
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