Vacuum tube

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Ingenium, 1969.0491.001
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OBJECT TYPE
AMPLIFIER
DATE
1919–1940
ARTIFACT NUMBER
1969.0491.001
MANUFACTURER
M.O. VALVE CO. LTD.
MODEL
VT1A
LOCATION
England

More Information


General Information

Serial #
3849
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
11.4 cm
Width
5.7 cm
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Vacuum Tubes
Category
Transmitting
Sub-Category
N/A

Manufacturer

AKA
MO VALVE
Country
England
State/Province
Unknown
City
Unknown

Context

Country
Europe
State/Province
Unknown
Period
PROBABLY 1920'S & 1930'S
Canada
Unknown
Function
USED AS AN AMPLIFIER IN RADIO TRANSMITTERS
Technical
EARLY BRITISH TRIODE BASED ON THE FRENCH 'TM' TUBES
Area Notes
Unknown

Details

Markings
ON BULB: 'V.T. 1A/ 6-30/ Ref. No. 1120/ Serial No. 3849/ MANUFACTURED BY/ THE M.O. VALVE CO. LTD./ G.E.C./ MADE IN ENGLAND/ [CROWN]/ R.A.F./ A.I.[?]'/ PUNCHED IN BASE: 'A G ANM'/ MOLDED IN INSERT: 'M.C.M./ CO LTD'/ HANDWRITTED ON INTERIOR MOUNTING: '7224/ V1C65'
Missing
From CA of 02/04/1998 by Pat Montero: No - Complete
Finish
YELLOW TINTED GLASS WITH WHITE PRINTING/ BLACK INSERT/ UNFINISHED METAL
Decoration
N/A

CITE THIS OBJECT

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

M.O. VALVE CO. LTD., Vacuum tube, circa 1919–1940, Artifact no. 1969.0491, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0491.001/

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