Vacuum tube

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Ingenium, 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

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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://collection.ingeniumcanada.org/en/item/1998.0787.001/

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