Technical World Magazine, Volume 12Technical World Company, 1909 |
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Page 50
... apparatus for furnishing electricity . An ordinary current of electricity is brought to the apparatus , which has the outward appearance of a common cupboard , and in which the electricity is transformed into high - pressure current ...
... apparatus for furnishing electricity . An ordinary current of electricity is brought to the apparatus , which has the outward appearance of a common cupboard , and in which the electricity is transformed into high - pressure current ...
Page 93
... apparatus . The transmitter apparatus of this inventor is purely mechanical . A carbon print in relief of the photograph to be telegraphed is placed on a revolving cylTHE BERLIN APPARATUS SEEN IN FRONT . plan of the instruments has been ...
... apparatus . The transmitter apparatus of this inventor is purely mechanical . A carbon print in relief of the photograph to be telegraphed is placed on a revolving cylTHE BERLIN APPARATUS SEEN IN FRONT . plan of the instruments has been ...
Page 705
... apparatus , at the mine , and , though , through no fault of its own , it got there late , it succeeded in saving twenty lives which otherwise would have been lost . 9 RESCUERS IN PROTECTIVE APPARATUS . Several of the largest mining ...
... apparatus , at the mine , and , though , through no fault of its own , it got there late , it succeeded in saving twenty lives which otherwise would have been lost . 9 RESCUERS IN PROTECTIVE APPARATUS . Several of the largest mining ...
Contents
MAGAZINE | 586 |
Cover Design LEJAREN HILLER | 591 |
Men of SciencePORTRAITS | 605 |
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