Vacuum tube

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Ingenium, 1994.0250.001
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OBJECT TYPE: LOW MU/DETECTOR/AMPLIFIER
DATE: 1924
ARTIFACT NUMBER: 1994.0250.001

MANUFACTURER: Stewart Warner
MODEL: UV201A
LOCATION: United States of America

More Information

General Information

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

Dimensions

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

Length: 10.0 cm
Width: 4.5 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: Stewart Warner
Country: United States of America
State/Province: Unknown
City: Unknown

Context

Country: Unknown
State/Province: Unknown
Period: LATE 1920'S
Canada: Unknown
Function: USED AS A DETECTOR OR AMPLIFIER IN EARLY RADIO RECEIVERS
Technical: THIS TUBE TYPE WAS THE FIRST THORIATED FILAMENT TUBE FOR GENERAL USE/ THIS TUBE WAS VERY POPULAR AS IT REQUIRED ONLY 0.25 AMPERE AT 5 VOLTS/ THIS PARTICULAR TUBE IS A TYPE SAMPLE OF THIS MANUFACTURER
Area Notes: Unknown

Details

Markings: ON BASE: 'Stewart/ S/ W [LOGO]/ Warner'/ PAPER LABEL AFFIXED TO GLASS READS: 'Guarantee Notice [excl.point] The guarantee/ this Stewart-War/ Radio Tube is printed on the tube carton. T/ guarantee is not valid unless date of sale of/ tube to customer is filled in below with ink/ dealer at time of purchase./ 19'
Missing: N/A
Finish: BLACK BASE WITH 'GOLD' PRINTING/ UNCOLOURED GLASS
Decoration: MFG'S SYMBOL STAMPED IN BASE

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

Stewart Warner, Vacuum tube, circa 1924, Artifact no. 1994.0250, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1994.0250.001/

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