San Francisco : Architect and Engineer, Inc · leaf 168
FLOODLIGHT AREAS CLASSROOMS A. STANDARD DOME CJ EDUCATOR FACTORIES … IVIDENDS ESE ARE FACTS!For parking lots, service stationsand used car lots let us be theinterpreter through this maze ofengineering data. PS-52 1000watt lamps used in a porcelainenameled reflector such as theMASTER flood yield 17 beamlumens per watt. Far more thanmost other types of lighting.…
Architecture · Building
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