Vacuum tube
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1998.0787.001
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- OBJECT TYPE
- N/A
- DATE
- Unknown
- ARTIFACT NUMBER
- 1998.0787.001
- MANUFACTURER
- Amperite
- MODEL
- W-72-70
- LOCATION
- United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- .1 GLASS ENVELOPE; SYNTHETIC BASE; METAL PINS & PARTS/.2 CARDBOARD BOX
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 4.4 cm
- Height
- 12.1 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Vacuum Tubes
- Category
- Miscellaneous
- Sub-Category
- N/A
Manufacturer
- AKA
- Amperite
- Country
- United States of America
- State/Province
- Unknown
- City
- Unknown
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
FROM COLLECTION OF VACUUM TUBES DONATED TO CSTM BY CANADIAN GOVERNMENT DEPARTMENT NATURAL RESOURCES CANADA. - Function
-
Unknown - Technical
-
Unknown - Area Notes
-
Unknown
Details
- Markings
- .1 YELLOW LETTERING ON TUBE READS "AMPERITE/ W-72-70/ MADE IN U.S.A."; RAISED LETTERING ON UNDERSIDE OF BASE READS "LICENSED ONLY TO EXTENT/ INDICATED ON CARTON"/.2 WHITE & BLACK LETTERING ON BOX END READS "W-72-70"; BLACK LETTERING ON SIDES READS AUTOMATIC/ REGULATOR/ AMPERITE [LOGO]/ Made in U.S.A./ Printed in U.S.A./ BALLAST RESISTANCE FOR/ AUTOMATIC REGULATION/ OF CURRENT AND VOLTAGE", "AMPERITE AUTOMATICALLY/ CONTROLS CURRENT AND/ VOLTAGE FLUCTUATIONS./RECOMMENDED BY LEADING/ MANUFACTURERS AND/ SERVICE ORGANIZATIONS./ AMPERITE PROLONGS THE/ LIFE OF TUBES, SETS,/ AND OTHER APPARATUS"
- Missing
- COMPLETE
- Finish
- .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS; BLACK BASE/.2 RED & BLACK EXTERIOR
- Decoration
- .2 AMPERITE LOGO ON SIDES & END OF BOX
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Amperite, Vacuum tube, Unknown Date, Artifact no. 1998.0787, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1998.0787.001/
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