Science, Том 14John Michels (Journalist) American Association for the Advancement of Science, 1889 |
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Стр. 19
... MOTOR OPERATING THE MACHINERY OF A PRINTING - OFFICE . END VIEW OF THE WEEMS ELECTRO - AUTOMATIC RAILWAY . SEVENTH YEAR . VOL . XIV . No. 336 . ELECTRIC MOTORS IN PRINTING - OFFICES . ONE of the many uses found for the electric motor is ...
... MOTOR OPERATING THE MACHINERY OF A PRINTING - OFFICE . END VIEW OF THE WEEMS ELECTRO - AUTOMATIC RAILWAY . SEVENTH YEAR . VOL . XIV . No. 336 . ELECTRIC MOTORS IN PRINTING - OFFICES . ONE of the many uses found for the electric motor is ...
Стр. 35
... MOTOR . FIG . 2. NEW SPRAGUE ELECTRIC - RAILWAY MOTOR . SEVENTH YEAR . VOL . XIV . No. 337 . THE SPRAGUE ELECTRIC - RAILWAY MOTOR . WE publish in this issue views of the Sprague improved electric motor for street - railway work . This motor ...
... MOTOR . FIG . 2. NEW SPRAGUE ELECTRIC - RAILWAY MOTOR . SEVENTH YEAR . VOL . XIV . No. 337 . THE SPRAGUE ELECTRIC - RAILWAY MOTOR . WE publish in this issue views of the Sprague improved electric motor for street - railway work . This motor ...
Стр. 225
... motors of this sizę in long - distance power transmissions , mining - work , and general industries . The efficiency of this machine is claimed to be high , while at the same time the speed is kept quite low ; the motor making only ...
... motors of this sizę in long - distance power transmissions , mining - work , and general industries . The efficiency of this machine is claimed to be high , while at the same time the speed is kept quite low ; the motor making only ...
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A WEEKLY NEWSPAPER OF ALL THE ARTS AND SCIENCES | 35 |
Subscriptions United States and Canada | 60 |
Communications will be welcomed from any quarter Rejected manuscripts will | 236 |
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