The Turn Of The Century Electrotherapy Museum (C) Jeff Behary 2009: Earle Ovington - Peculiar Properties Of High Frequency Currents (1905)

The Turn Of The Century Electrotherapy Museum (C) Jeff Behary 2009: Earle Ovington - Peculiar Properties Of High Frequency Currents (1905)
jeff_behary@hotmail.com
8/28/2009