Vacuum tube

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Ingenium, 1969.0486.001
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OBJECT TYPE
AMPLIFIER/OSCILLATOR
DATE
1917–1918
ARTIFACT NUMBER
1969.0486.001
MANUFACTURER
GEC
MODEL
R2
LOCATION
England

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
GLASS/ METAL

Dimensions

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

Length
8.3 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
General Electric
Country
England
State/Province
Unknown
City
Unknown

Context

Country
Europe
State/Province
Unknown
Period
WW I
Canada
Unknown
Function
USED AS AN AMPLIFIER AND OSCILLATOR IN RADIO-TELEPHONY, MAINLY FOR MILITARY USE
Technical
ATTEMPT TO IMPROVE THE 'SOFT VALVE' AS THIS TYPE OF VALVE POSSESSED HIGH SENSITIVITY/ WAS BASED ON THE FRENCH 'TM' VALVE
Area Notes
Unknown

Details

Markings
PRINTED ON GLASS: 'OSRAM/ G.E.C./ MADE IN/ ENGLAND/ R.2/ VALVE/ WIRELESS RECEIVING/ No.R. 2/ PATT. No. 8987/ A0090'/ HANDPAINTED INSIDE: '2915/ 172'
Missing
N/A
Finish
UNCOLOURED GLASS
Decoration
N/A

CITE THIS OBJECT

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

GEC, Vacuum tube, circa 1917–1918, Artifact no. 1969.0486, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0486.001/

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