Vacuum tube

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Ingenium, 1999.0212.001
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OBJECT TYPE: IF/9 PIN
DATE: 1948
ARTIFACT NUMBER: 1999.0212.001

MANUFACTURER: ROGERS ELECTRONIC TUBES LTD.
MODEL: VR91
LOCATION: Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METAL CASING; GLASS & METAL COMPONENTS.

Dimensions

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

Length: 4.0 cm
Width: 4.0 cm
Height: 7.5 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

AKA: ROGERS
Country: Canada
State/Province: Unknown
City: Unknown

Context

Country: Canada
State/Province: Ontario
Period: THIS TYPE OF TUBE PRODUCED LATE 1930S+. THIS TUBE PRODUCED BEFORE 1948.
Canada: EXAMPLE OF VR 91 RECEIVING TUBE, SOMETIMES REFERRED TO AS "THE TUBE WHICH WON THE WAR". IT WAS MFD BY MANY FIRMS IN U.K., CANADA & EVENTUALLY THE U.S.. THIS EXAMPLE WAS PRODUCED BY ROGERS, CANADA. (REF. 1) THIS TUBE WAS PREVIOUSLY OWNED BY RESEARCH ENTERPRISES LTD., TORONTO & USED AT NRC RADIO FIELD STATION, OTTAWA.
Function: GENERAL PURPOSE VACUUM TUBE USED IN RADAR RECEIVERS.
Technical: HIGH SLOPE PENTODE SUITABLE FOR RADIO AND INTERMEDIATE FREQUENCY AMPLIFIER USE. IT WAS USED IN EARLY BRITISH CHL RADAR RECEIVERS: IT'S VALUE AS A GENERAL 'WORKHORSE' TUBE IN PULSE GENERATORS, MULTIVIBRATORS, ETC. RESULTED IN IT'S WIDESPREADADOPTION IN ALMOST ALL GROUND & AIRBORNE RADAR EQ.. AS WELL AS IN NAVIGATION AND BLIND BOMBING SETS. WITH THE POSSIBLE EXCEPTION OF THE VR 65 IT WAS THE MOST WIDELY USED RECEIVER TUBE IN BRITISH RADAR. (REF. 1- DONOR HISTORY)
Area Notes: Unknown

Details

Markings: " A [crown logo] M/ VR91/ 10E/92/ C [up arrow symbol]" printed in black on one side of tube jacket; "MADE IN CANDA/ BY/ ROGERS ELECTRONIC/ TUBES LIMITED/ J/4" printed on opposing side.
Missing: NONE.
Finish: DULL SILVER METAL SHELL ENCLOSES TUBE.
Decoration: N/A

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

ROGERS ELECTRONIC TUBES LTD., Vacuum tube, before 1948, Artifact no. 1999.0212, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1999.0212.001/

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