Vacuum tube

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Ingenium, 1966.0634.001
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OBJECT TYPE
AMPLIFIER
DATE
1923–1928
ARTIFACT NUMBER
1966.0634.001
MANUFACTURER
M.O. VALVE CO. LTD.
MODEL
DEH612
LOCATION
England

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
2
AKA
N/A
Patents
N/A
General Description
TUBE: GLASS, METAL, SYNTHETIC/ CARTON: CARDSTOCK

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
5.5 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
MO VALVE
Country
England
State/Province
Unknown
City
Unknown

Context

Country
England
State/Province
Unknown
Period
PROBABLY 1920'S
Canada
Unknown
Function
USED AS AN AMPLIFIER IN RADIO RECEIVER
Technical
TYPE SAMPLE OF ONE OF THE 'DULL EMITTER' TUBES DEVELOPED BY MARCONI WHICH HAS A THORIATED TUNGSTEN FILAMENT
Area Notes
Unknown

Details

Markings
TUBE: PRINTED ON GLASS: 'MARCONI/ VALVE/ D.E.H./ 612/ MADE IN ENGLAND PATENTED'/ MOLDED IN BOTTOM OF SHELL: 'MOV CO LTD'/ CARTON: PRINTING INCLUDES: 'MARCONI/ VALVE/ G Marconi [TRADEMARK]/ D.E.H. 612/ Made at the M.O. Valve Company's Works/ COVERED BY VARIOUS PATENTS./ FOR PARTICULARS APPLY TO/ THE M.O. VALVE CO. LTD./ IMPORTANT NOTICE/ Letters Patent Nos./ 23775/12 15788/14/ 126658/ LIMITED LICENCE./ [LICENSE DESCRIBED]/ PATENT NO./ 230541/23./ E.S. & A. ROBINSON. LTD./ BRISTOL.'
Missing
N/A
Finish
TUBE: UNCOLOURED GLASS; BLACK SHELL/ CARTON: PURPLE, BLACK & WHITE
Decoration
N/A

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

M.O. VALVE CO. LTD., Vacuum tube, between 1923–1928, Artifact no. 1966.0634, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0634.001/

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