Vacuum tube

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Ingenium, 1970.1452.001
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OBJECT TYPE: DETECTOR/AMPLIFIER/OSCILLATOR
DATE: 1922–1928
ARTIFACT NUMBER: 1970.1452.001

MANUFACTURER: MYERS, E.B. CO. LTD.
MODEL: RAC3
LOCATION: Montréal, Québec, Canada

More Information

General Information

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

Dimensions

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

Length: 8.6 cm
Width: 1.9 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: MYERS
Country: Canada
State/Province: Québec
City: Montréal

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: THIS TUBE TYPE WAS ORIGINALLY MADE IN THE US IN JERSEY CITY, NJ, BUT AS IT INFRINGED OTHER THREE ELEMENT TUBE PATENTS, SPECIAL PATENTS WERE TAKEN OUT BY MYERS IN CANADA AND MANUFACTURE OF THESES TUBES CEASED IN THE US
Function: USED TO DETECT, AMPLIFY, OR OSCILLATE RADIO WAVES IN A RADIO RECEIVER
Technical: WIDE SEPARATION OF THE GRID & ANODE LEADS TENDED TO PROVIDE LOW DIRECT CAPITANCE, WHICH MADE THE TUBE USABLE AT HIGHER FREQ. THAN SINGLE-ENDED TUBES
Area Notes: Unknown

Details

Markings: PRINTED ON GLASS: 'MADE IN CANADA'
Missing: N/A
Finish: ONE BLACK CAP AND ONE WINE CAP/ UNCOLOURED GLASS
Decoration: N/A

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

MYERS, E.B. CO. LTD., Vacuum tube, circa 1922–1928, Artifact no. 1970.1452, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1970.1452.001/

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