The Turn Of The Century Electrotherapy Museum (C) Jeff Behary 2011, James G. Biddle - "Roentgen" Induction Coils and X-Ray Apparatus

The Turn Of The Century Electrotherapy Museum (C) Jeff Behary 2011, James G. Biddle - "Roentgen" Induction Coils and X-Ray Apparatus
(C) Jeff Behary 2011
12/4/2011