San Francisco : Architect and Engineer, Inc · leaf 174
were 12 inches square but they could be madein any size desired. Electroluminescence is produced by dispersinga film of a phosphor in a dielectric and placing itbetween two conducting plates, one of which islight transmitting, Lowell explained. The materials m^<^^ ym^ LIGHTING; Here in the West… … SHOOT-HOLHAM »»•.•.<
Architecture · Building
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