Therapy rectifier which consists of a cylindrical black glass tube with a screw attachment (similar to a light bulb) and a metal section at one end and a similar screw attachment and ridged metal section at the other end.
Therapy rectifier which consists of a cylindrical black glass tube with a screw attachment (similar to a light bulb) and a metal section at one end and a similar screw attachment and ridged metal section at the other end.
Label on lthe end of the tube reads, "Philips Metalix - Valve Nr. X6045 Voltage 125 kv peak Made in U.S.A. Saturation curr.: 200 mA filament curr: 7.5 A 14.5 V Saturation curr.: 400 mA filament curr: 8.0 A 16.2 V. Saturation curr.: 1000 mA filament curr.: 8.5 A 18.0 V for short times."