Vacuum tube

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Ingenium, 1966.0616.001
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OBJECT TYPE
POWER AMPLIFIER
DATE
1923–1928
ARTIFACT NUMBER
1966.0616.001
MANUFACTURER
MARCONI WIRELESS TELEGRAPH CO. LTD.
MODEL
DE5
LOCATION
London, England

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
4
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
11.8 cm
Width
5.0 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
MARCONI
Country
England
State/Province
Unknown
City
London

Context

Country
England
State/Province
Unknown
Period
1920'S
Canada
Unknown
Function
A LOW FREQUENCY POWER AMPLIFIER FOR USE IN THE LAST STAGES OF RADIO RECEIVERS OPERATING FROM A 6 VOLT ACCUMULATOR. MAY BE USED IN THE H.F. AND DETECTOR POSITIONS IN A RECEIVER (REF.2)
Technical
TYPE SAMPLE OF EARLY 'DULL EMITTER' VALVE MADE IN ENGLAND. THE M.O.V. CO. WAS THE 1ST BRITISH MANUFACTURER TO DEVELOP DULL-EMITTER VALVES HAVING THORIATED FILAMENTS.
Area Notes
Unknown

Details

Markings
TUBE: PRINTED ON TOP: 'D.E. 5/ 5.6 V/ MADE IN ENGLAND PATENTED'/ LABEL: 'MARCONI/ MWTC [LOGO]'/ MOLDED IN BASE: 'MOV CO LTD'/ PRINTING ON CARTON INCLUDES: 'MARCONI VALVE/ G. Marconi/ IMPORTANT NOTICE/ Letter Patent Nos. 147293, 230011, 279171/ and other British Letters Patent./ LIMITED LICENCE./...'
Missing
N/A
Finish
TUBE: UNCOLOURED GLASS/ BLACK SHELL/ CARTON: PURPLE WITH GOLD & BLACK PRINTING
Decoration
TUBE: LABEL WITH LOGO & CO. NAME AFFIXED TO GLASS - PURPLE WITHGOLD & BLACK PRINTING/ CARTON: DECORATIVE SCALLOP DESIGN AROUND ALL EDGES; DRAWING OF WORLD WITH 'PERSONAL SIGNATURE' OF MARCONI OVERWRITTEN

CITE THIS OBJECT

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

MARCONI WIRELESS TELEGRAPH CO. LTD., Vacuum tube, between 1923–1928, Artifact no. 1966.0616, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0616.001/

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