4 public-domain matches

Radiography Instrumentation

Cover of The double valve tube rectifier

The double valve tube rectifier

Albert C. Geyser

Cover of An X-ray table for serial and stereoscopic radiography and fluoroscopy

An X-ray table for serial and stereoscopic radiography and fluoroscopy

Lewis Gregory Cole

Cover of Induction coils

Induction coils

Norman H. Schneider

Cover of Electro-medical instruments and their management

Electro-medical instruments and their management

K. Schall