Vacuum tube

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Ingenium, 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

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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://collection.ingeniumcanada.org/en/id/1999.0250.001/

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