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Practical Electricity by John C. Crawford

Practical Electricity by John C. Crawford. Evening shadows and starless nights no longer alarms the city dwelers or the traveller. The high-ways and by-ways are well lighted by electricty. Railroads traffic circles, great bridges, wide streets, tall buildings, theatre lobbies, all are bejeweled with a millions lamps turned on each night. Night is no longer dark when the electrons is called into service.

Practical Electricity by John C. Crawford

SKU: copyright-1939
$8.95 Regular Price
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