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Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)

American Technical Society · Chicago : American Technical Society · leaf 209

An illustration from Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc., 1916, leaf 209
following night, J. J. Thomson hasput forward a possible explanation of this, but space forbids its in-clusion here. Again, certain conditions of the atmosphere seem torender but com])aratively small energy necessary in the accomplish-ment of long distances at times. Thus radiotelegraphy, like all… … PORTABLE WIRELESS SET DESIGNED BY UNITED STATES ARMY EXPERTS Jli<,l<i,jnijih In/ iy,i/,hii Fmvcdl, \V,iKliiiii,to>i, DC. WIRELESS TELEPHONY Wireless telephony is not so new—almost unborn, indeed—as is generally supposed. Like its companion art, wireless teleg-raphy, it began its existence…

Electrical engineering

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