Vacuum tube
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1976.0067.001
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- OBJECT TYPE
- DETECTOR/CLASS A AMPLIFIER
- DATE
- 1919–1923
- ARTIFACT NUMBER
- 1976.0067.001
- MANUFACTURER
- MOORHEAD
- MODEL
- VT
- LOCATION
- United States of America
More Information
General Information
- Serial #
- 235377
- 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
- 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 A RADIO RECEIVER - Technical
-
TYPE SAMPLE OF EARLY DETECTOR; FIRST TUBE TYPES MADE BY MOORHEAD UNDER LICENSE TO DE FOREST AFTER WWI - Area Notes
-
Unknown
Details
- Markings
- ETCHED ON GLASS: 'LICENSED FOR AMATEUR [?]/ EXPERIMENTAL USE ONLY/ V.T. 235377'/ ENGRAVED ON BASE: 'DE FOREST AUDION/ U.S. PATENTS 841387,879532/ SOLD ONLY FOR AMATEUR/ AND EXPERIMENTAL USE/ [LOGO] MARCONI/ TRADE MARK/ FLEMING PATENT NO. 803684'
- Missing
- From CA of 02/04/1998 by Pat Montero: No - Complete
- Finish
- GOLD COLOURED GLASS; BRASS 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. 1976.0067, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1976.0067.001/
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