Vacuum tube

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Ingenium, 1992.1101.001
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OBJECT TYPE: FULL WAVE/HELIUM
DATE: 1925
ARTIFACT NUMBER: 1992.1101.001

MANUFACTURER: RAYTHEON MFG. CO.
MODEL: B
LOCATION: Cambridge, Massachusetts, United States of America

More Information

General Information

Serial #: 1941
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: GLASS/ METAL/ CERAMIC/ SYNTHETIC

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length: 11.1 cm
Width: 4.4 cm
Height: N/A
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Vacuum Tubes
Category: Receiving
Sub-Category: N/A

Manufacturer

AKA: RAYTHEON
Country: United States of America
State/Province: Massachusetts
City: Cambridge

Context

Country: North America
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: USED IN 'B' BATTERY ELMINATORS AND IN POWER PACKS IN RADIO EQUIPMENT TO CONVERT AC POWER TO DC
Technical: THIS TUBE WAS A FURTHER DEVELOPMENT OF THE AMRAD 'S' TUBE WHICH CEASED PRODUCTION WHEN THE CO. WAS BOUGHT BY CROSLEY/ THE PATENTS FOR THE 'S' TUBE WERE ACQUIRED BY THE AMERICAN APPLIANCE CO. (LATER RAYTHEON) & BECAME THE 'B' TUBE
Area Notes: Unknown

Details

Markings: STAMPED ON BASE: 'RAYTHEON/ TYPE B PATENTED/ JUNE 27, 1922; JULY 7, 1925/ OTHER PATENTS PENDING/ RAYTHEON MFG.COMPANY/ CAMBRIDGE MASS/ 1941'
Missing: N/A
Finish: UNCOLOURED GLASS/ BASE PAINTED GOLD/ WHITE INSERT
Decoration: N/A

CITE THIS OBJECT

If you choose to share our information about this collection object, please cite:

RAYTHEON MFG. CO., Vacuum tube, 1925, Artifact no. 1992.1101, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1992.1101.001/

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