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Scientific American, Vol. 83, No. 23 (December 1900) (1900)

leaf 3

An illustration from Scientific American, Vol. 83, No. 23 (December 1900), 1900, leaf 3
cane into cars are also wanted, and for theseplanters offer $1,500. 356 THE BRUNT IMPROVED REGULATING INCANDESCENT-LAMP SOCKET.A well-ventilated socket containing a rheostat bymeans of which any number of resistances can bethrown into the circuit, so that the light can be modi-fied as desired, can… … A REGULATING-SOCKET FOR INCANDESCENT LAMPS. tion the latest and most improved type, made by theBrunt Porcelain Works, of East Liverpool, Ohio. Within a perforated brass casing, an upper and alower disk of porcelain are mounted. The disks areconnected by a rectangular metal frame, notched toreceive…

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