Summary
Cold cathode bi-directional decade counting tube. Manufacturer: Sylvania Electronic Tubes, A Division of Sylvania Electric Products, Emporium PA, USA.
These types of device were rendered totally obsolete by the advent of solid state counting circuits. They were hard to use because they required very accurate voltages and associated circuit components.
Physical Description
Tubular glass bulb with octal base
More Information
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Collecting Areas
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Acquisition Information
Transfer (Probable) from Victoria: Environment Protection Authority (EPA)
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Manufacturer
Sylvania Products Co., Emporium, Pennsylvania, United States of America, circa 1963
Manufacturer: Sylvania Electronic Tubes, A Division of Sylvania Electric Products, Emporium PA, USA. -
Inscriptions
On bulb: " 6802 / U.S.A " On base: " SYLVANIA "
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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
80 mm (Height), 30 mm (Outside Diameter)
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Keywords