Practical applied electricity; a book in plain English, for the practical man. Theory, practical applications and examples (1911)
Moreton, David Penn, 1882- · Chicago, The Reilly & Britton co · leaf 313
s of exhaustion as thetantalum lamp. There has been recently discovered a means whereby tungs-ten is rendered ductile, and wire-drawn filaments are the re-sult. Tungsten wire has a tensile strength varying from400 000 to 600 000 pounds per square inch, a value three tofour tim.es that attained by… … GloweTFig. 244 ELECTEIC LIGHTINCr 303 HOLDING SCREW 1^ ~ ALUMINUM PLUQIa II ARMATMRE SUPPORT f O L.P08T> -BALLWTl _ COT OUT COIL \< ARMATURE I ^^j::::8i».ver contact stop I MOUSING I contact SLEEVE PORCELAIN/----GLOBE MOLDING SCREW •*• MOLOER PORCELAIN ),.j HEATER P0RCE»IN(3 HEATER TUBEfO…
Electrical engineering
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