The New Encyclopaedia Britannica, Volume 29Encyclopaedia Britannica, 1974 - Encyclopedias and dictionaries |
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Page 138
... electricity supplied from dis- tant generating stations by overhead wires . Trolleybus By courtesy of the San Francisco Public Utilities Commission In the late 1880s a number of small transit systems were put into operation using electric ...
... electricity supplied from dis- tant generating stations by overhead wires . Trolleybus By courtesy of the San Francisco Public Utilities Commission In the late 1880s a number of small transit systems were put into operation using electric ...
Page 271
... electric power production 6 : 634d ⚫essential oil import and export 13 : 535e .ferrite production and applications ... electric 7.8 % , of which , engines and parts 2.0 % ; electrical apparatus 5.7 % , of which , telecommunication ...
... electric power production 6 : 634d ⚫essential oil import and export 13 : 535e .ferrite production and applications ... electric 7.8 % , of which , engines and parts 2.0 % ; electrical apparatus 5.7 % , of which , telecommunication ...
Page 630
... Electric Corporation Although the electrical system being devel- oped in the U.S. in the 1880s was direct cur- rent ( dc ) , in Europe several alternating - cur- rent ( ac ) systems were being developed . One of the most successful was ...
... Electric Corporation Although the electrical system being devel- oped in the U.S. in the 1880s was direct cur- rent ( dc ) , in Europe several alternating - cur- rent ( ac ) systems were being developed . One of the most successful was ...
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