Vacuum tube
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1999.0250.001
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- OBJECT TYPE
- BALLAST
- DATE
- Unknown
- ARTIFACT NUMBER
- 1999.0250.001
- MANUFACTURER
- Amperite Co. Inc.
- MODEL
- 3TF4A
- LOCATION
- New York, New York, 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; METAL PINS & PARTS/.2 CARDBOARD
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- N/A
- Width
- 2.1 cm
- Height
- 6.6 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
- New York
- City
- New York
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- Unknown
- Canada
-
ONE OF COLLECTION OF VACUUM TUBES USED BY DONOR FOR HIS PART-TIME HOBBY OF ELECTRONICS SERVICING (DONOR'S HISTORY IN 1999.0217 SUPP. INFO.) - Function
-
VACUUM TUBE USED AS FOR AUTOMATIC REGULATION OF CURRENT & VOLTAGE, FUNCTIONING AS AUTOMATIC RHEOSTAT TO KEEP CURRENT IN CIRCUIT AT DEFINITE VALUE. - Technical
-
EXAMPLE OF BALLAST TUBE. - Area Notes
-
Unknown
Details
- Markings
- .1 WHITE LETTERING ON TUBE READS "AMPERITE/ BALLAST/ 3TF4A"/.2 WHITE & BLACK LETTERING ON ENDS READS "AMPERITE/ 3TF4A/ BALLAST TUBE" & "AMPERITE [LOGO]"; WHITE & BLACKLETTERING ON BOX SIDES READS "MINIATURE/ BALLAST/ TUBE/ AMPERITE [LOGO]/ MADE IN U.S.A./ AMPERITE CO., INC./ NEW YORK 12, N.Y.", "light, compact/ No moving parts/ Hermetically sealed;/ not affected by/ altitude or humidity/ Operates on/ A.C. or D.C."
- Missing
- COMPLETE
- Finish
- .1 COLOURLESS TRANSPARENT GLASS; METALLIC PINS/.2 RED & BLACK EXTERIOR
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Amperite Co. Inc., Vacuum tube, Unknown Date, Artifact no. 1999.0250, Ingenium – Canada’s Museums of Science and Innovation, http://collections.ingeniumcanada.org/en/id/1999.0250.001/
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