However, commercial apparatus which makes this possible, the oscillograph, the cathode-ray tube oscilloscope with “electronic-switches,” and double-beam cathode-ray tube oscilloscopes, have been ...

Abstract: THE cathode-ray oscilloscope is a powerful tool for the maintenance of digital computers, but its use on a mobile cart is often awkward and does not permit the oscilloscope to be used to its ...

The cathode ray is practically free from inertia and therefore an ideal instrumentality for studying variations in electrical potential. A cathode ray oscilloscope with an amplifier system of high ...