Howard Vollum had first seen this technology in use in Germany. Chassis is in very good condition and minimal cleaning was required. Needs to be cleaned and tested.
Before the surge occurred in CRT development for radar with the onset of World War II, GR dropped out of the scope business. It is lbs of American made vacuum tub.
United States of America , semiconductors.
This scope was donated by Alan Douglas.
Actually, it is the scope featured in his book . The CRT appears original and in good condition. Compared to the DUMONT 20 these are the changes. After finding it to be in good shape, I power it up to see what happens. He improved cathode-ray tubes and developed the modern oscilloscope , widely used in the laboratory for the measurement and study of wave forms.
Dumont Laboratories already produced one of the main components, cathode ray tubes or CRTs. Dumont made these tubes for oscilloscopes but understood they would . Up to now this instrument encountered many innovations. Later Cossor and later Solartron dominated . It it very similar to its more popular successor 164-E. Introduced during World War II. This high-performance CRT found principal use in oscilloscopes and synchroscopes having wide bandwiths for pulse, radar and television measurements.
The wide bandwith was achieved through neck . DuMont was the main oscilloscope . Purpose: Wideband Oscilloscope , General Purpose Condition: Working Comments: It is in original condition. For its age, this scope is in unbelievable good condition and still working. The equipment used is as fol- lows: Two differential pressure gauges.
Dvorak built it over three weeks.
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