Vacuum tube
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1969.1264.001
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- OBJECT TYPE
- DOUBLE GAP/COLD CATHODE
- DATE
- 1951
- ARTIFACT NUMBER
- 1969.1264.001
- MANUFACTURER
- Western Electric Co.
- MODEL
- 313C
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- GLASS/ SYNTHETIC/ METAL
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 8.2 cm
- Width
- 2.9 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Telephone
- Sub-Category
- N/A
Manufacturer
- AKA
- Western Electric
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Unknown
- State/Province
- Unknown
- Period
- 1930'S TO 1950'S
- Canada
-
Unknown - Function
-
USED IN TELEPHONE SWITCHING SYSTEMS TO SWITCH ON RELAYS/ SUITED TO CONTROL CIRCUITS SUCH AS TRIGGERING, COUNTING OR SWITCHING, VISUAL INDICATORS/ THE LARGEST USE IN THE 1930'S WAS FOR SELECTIVE RINGING IN MULTI-PARTY TELEPHONES - Technical
-
USED A GLOW DISCHARGE FOR CONDUCTION OF CURRENT/ HAD 'CALORIZED' CATHODES, I.E., A THIN NON-CONDUCTING LAYER OF ALUMINUM OXIDE ON ONE SIDE OF NICKEL SHEET/ VERY POPULAR TUBE IN THE TELEPHONE INDUSTRY - Area Notes
-
Unknown
Details
- Markings
- PRINTED ON TOP OF BULB: 'WESTERN ELECTRIC MADE IN U.S.A. 113/ 313C'
- Missing
- N/A
- Finish
- BLACK INTERNAL COATING ON GLASS (SEE COMMENTS)/ BLACK BASE/ YELLOW PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Western Electric Co., Vacuum tube, 1951, Artifact no. 1969.1264, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1969.1264.001/
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