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N. T·ESLA. APPARATUS FOR PRODUCING CURRENTS OF HIGH FREQUENCY.
No. 583,953.
Patented ·June 8, 1897.
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WITNESSES
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APPARATUS FOR PRODUCING C!JRRENTS OF HIGH FREQ\JENCY. "
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.3PECIFICATION forming part of Letters Patent Nc. 583,953, da~ed June 8, 1897, _.'
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Application file,l October 19,1896" Seri"l No, 609,292,' (No ~!!iiel,'
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