Category:An oscillographic investigation of current and EMF-waves of telephone magneto generators (1907)
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Media in category "An oscillographic investigation of current and EMF-waves of telephone magneto generators (1907)"
The following 30 files are in this category, out of 30 total.
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An Oscillographic investigation of current and EMF- waves of telephone magneto generators (IA oscillographicin00morr).pdf 852 × 1,177, 164 pages; 5.57 MB