Vacuum tube

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Ingenium, 1993.0069.001
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OBJECT TYPE: DETECTOR/CLASS A AMPLIFIER
DATE: 1919–1923
ARTIFACT NUMBER: 1993.0069.001

MANUFACTURER: MOORHEAD
MODEL: VT
LOCATION: United States of America

More Information

General Information

Serial #: 208828
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: 10.3 cm
Width: 4.4 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: Unknown
City: Unknown

Context

Country: United States of America
State/Province: Unknown
Period: 1920'S
Canada: Unknown
Function: USED AS A DETECTOR AND CLASS A AMPLIFIER IN RADIO RECEIVERS
Technical: TYPE SAMPLE OF EARLY DETECTOR/ FIRST TUBE TYPES MADE BY MOORHEAD UNDER LICENSE TO DE FOREST AFTER WWI/ PART OF FIRST CONSIGNMENT OF TUBES SOLD BY THE AMERICAN MARCONI CO.
Area Notes: Unknown

Details

Markings: ETCHED ON GLASS: 'MOORHEAD 208828/ PATENTED NOVEMBER 1905/ SOLD ONLY FOR AMATEUR/ AND EXPERIMENTAL USE'/ HANDWRITTEN ON INSIDE GLASS SUPPORT: 'A'/ HANDWRITTEN ON BASE: '18/11/20/ D D/ soft'/ STAMPED ON BOTTOM: 'S'
Missing: From CA of 02/04/1998 by Pat Montero: No - Complete
Finish: UNCOLOURED GLASS/ GOLD PAINTED BASE
Decoration: N/A

CITE THIS OBJECT

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

MOORHEAD, Vacuum tube, circa 1919–1923, Artifact no. 1993.0069, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0069.001/

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