Summary
One inch cathode ray tube used in instruments, for example in wireless telegraphy.
Equivalent to DH3-91.
6.3V indirectly heated cathode.
Manufacturer: Cossor, England.
Physical Description
Cylindrical bulb with 8 pin locktal base with phosphor at one end. Mounted in detachable socket.
More Information
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Collecting Areas
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Acquisition Information
Donation from J. C. Liddy, 25 Sep 1967
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Manufacturer
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Inscriptions
Bulb: Cossor/1CP1/Serial No 722/Made in England/(BVA logo)
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Classification
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Category
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Discipline
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Type of item
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Overall Dimensions
100 mm (Length), 29 mm (Outside Diameter)
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Keywords