Vacuum tube

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OBJECT TYPE
DETECTOR/CLASS A AMPLIFIER
DATE
1919–1923
ARTIFACT NUMBER
1976.0068.001
MANUFACTURER
MOORHEAD
MODEL
VT
LOCATION
San Francisco, California, United States of America

More Information


General Information

Serial #
2782
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
GLASS/ METAL/ SYNTHETIC

Dimensions

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

Length
10.5 cm
Width
2.8 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
MOORHEAD
Country
United States of America
State/Province
California
City
San Francisco

Context

Country
United States of America
State/Province
Unknown
Period
1920'S
Canada
Unknown
Function
USED AS A DETECTOR AND CLASS A AMPLIFIER IN A RADIO RECEIVER
Technical
TYPE SAMPLE OF EARLY DETECTING TUBE; FIRST TUBE TYPES MADE BY MOORHEAD UNDER LICENSE TO DE FOREST AFTER WWI
Area Notes
Unknown

Details

Markings
ETCHED ON GLASS: 'A/ MOORHEAD AUDION/ SAN FRANCISCO/ 2782'/ SCRATCHED ON BASE: 'I'/ EMBOSSED ON BOTTOM: 'S'
Missing
From CA of 02/04/1998 by Pat Montero: No - Complete
Finish
Unknown
Decoration
N/A

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

MOORHEAD, Vacuum tube, circa 1919–1923, Artifact no. 1976.0068, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1976.0068.001/

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