Convention, Volume 18 |
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Halaman 157
National Electric Light Association. Convention. known as the closed coil type . This is the more remarkable when we consider that fully seventy - five per cent of the arc lights in this country are run from open coil dynamos . The open ...
National Electric Light Association. Convention. known as the closed coil type . This is the more remarkable when we consider that fully seventy - five per cent of the arc lights in this country are run from open coil dynamos . The open ...
Halaman 159
... coil arc dynamos , and herein lies the great superiority of the former over the latter . Take , for example , a new open coil 125 - lighter and one of the latest closed coil 100 - light machines . In the one there are twenty - four ...
... coil arc dynamos , and herein lies the great superiority of the former over the latter . Take , for example , a new open coil 125 - lighter and one of the latest closed coil 100 - light machines . In the one there are twenty - four ...
Halaman 160
... coils , and then , with a Cardew voltmeter , he attempted to measure the difference of potential at the terminals of the secondary or fine wire coil . The pointer , however , remained at zero , showing absolutely no electro - motive ...
... coils , and then , with a Cardew voltmeter , he attempted to measure the difference of potential at the terminals of the secondary or fine wire coil . The pointer , however , remained at zero , showing absolutely no electro - motive ...
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