The lighting of armories and gymnasiums / information compiled by A.L. Powell and A.B. Oday. (1920)
General Electric Company, Edison Lamp Works · General Electric Co., Edison Lamp Works · leaf 16
C lamps. In some instances, the ceiling of the build:: _ -that efficient lamps in deep bowl mirrored gb- :recessed so that the mouths of the reflectors are flush with theceiling. This arrangement directs light str _ are not visible unless one looks directly upward and then? is nodanger of breakage.… … Night Photograph of a Swimming Pool Lighted W liLamps in Bowl Shaped Lizfct Dtaam? Ofcam a IReflectors. 0.7 watts per sqaare too Where direct lighting with opaque reflccmain portion of the floor, it is sometimes ashaped opalescent glass units beneath the rtThese provide good illumination on the…
Lighting · Light bulbs · Light fixtures
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