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

CITE THIS OBJECT

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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