An osciloscope of cathodic rays for ignition analysis in internal combustión engines. (Machine-translation by Google Translate, not legally binding)

摘要

A cathode ray oscilloscope apparatus for analysis of the ignition in internal combustión engines, essentially used for the comparative measurement of the spark plug voltage and the contact angle degrees of the breaker, a reticule conveniently printed on a transparent plate, or engraved directly on the screen of the cathode ray tube. (Machine-translation by Google Translate, not legally binding)