Hi John, I went to the M.I.T. library and made copies of Alexanderson's original papers and did some other research beyond that. The Alexanderson alternators were good up to about 20kHz, they achiev
Hi John, I went to the M.I.T. library and made copies of Alexanderson's original papers and did some other research beyond that. The Alexanderson alternators were good up to about 20kHz, they achiev