Vacuum tube

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Ingenium, 1966.0617.001
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OBJECT TYPE
HF AMPLIFIER
DATE
1923–1928
ARTIFACT NUMBER
1966.0617.001
MANUFACTURER
Marconi
MODEL
DEQ
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/ HOLDER: METAL, SYNTHETIC/ CARTON: CARDSTOCK, METAL STAPLES/ PACKING: FIBRE (?)

Dimensions

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

Length
7.3 cm
Width
2.7 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
Unknown

Context

Country
England
State/Province
Unknown
Period
1920'S
Canada
Unknown
Function
USED AS A HIGH FREQUENCY AMPLIFIER IN RADIO RECEIVERS
Technical
ONE OF THE EARLY TUBE MODELS, DEVELOPED BY MARCONI, WHICH HAS A THORIATED FILAMENT
Area Notes
Unknown

Details

Markings
TUBE: PRINTED ON GLASS: 'D.E.Q./ 89M/ MARCONI/ VALVE/ PATENTED/ MADE IN ENGLAND'/ STAMPED ON CARTON LID: 'TESTED O.K./ 1924/ BY'/ HANDWRITTEN ON CARTON LID: '1-DEQ VALVE/ AND HOLDER'
Missing
N/A
Finish
TUBE: UNCOLOURED GLASS WITH GREEN STRIPE AROUND CENTRE/ HOLDER: BLACK BASE/ CARTON: BEIGE ON OUTSIDE & YELLOW ON INSIDE
Decoration
N/A

CITE THIS OBJECT

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

Marconi, Vacuum tube, between 1923–1928, Artifact no. 1966.0617, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1966.0617.001/

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