Vacuum tube

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OBJECT TYPE
AMPLIFIER
DATE
1919–1922
ARTIFACT NUMBER
1988.0354.001
MANUFACTURER
NORTHERN ELECTRIC CO. LTD.
MODEL
208A
LOCATION
Canada

More Information


General Information

Serial #
3723
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
GLASS ENVELOPE/ METAL WORKING PARTS/ SHEET NICKEL BASE/ WAX INSERT IN BASE

Dimensions

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

Length
N/A
Width
5.8 cm
Height
10.6 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Vacuum Tubes
Category
Telephone
Sub-Category
N/A

Manufacturer

AKA
NORTHERN ELECTRIC
Country
Canada
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
PROBABLY IN 1940'S - DONOR'S FATHER PROVIDED PUBLIC P.A. SYSTEMS FOR WAR BOND DRIVES
Canada
MADE & USED IN CANADA/ TUBE MADE ONLY AT NORTHERN ELECTRIC & NOT AT WESTERN ELECTRIC
Function
AUDIO AMPLIFIER USED IN P.A. SYSTEMS OF THE PERIOD.
Technical
EXAMPLE OF EARLY PUBLIC ADDRESS SYSTEM AMPLIFIER TUBE
Area Notes
Unknown

Details

Markings
ENGRAVED ON SIDE OF BASE: '208A/ MADE IN CANADA/ NORTHERN ELECTRIC CO./ LIMITED/ PATENTED 1916/ PATENTED 1917/ PATENTED 1920/ 3 PATS/ PATENTED 1921/ PATENTED 1922/ 3 PATS'/ ON GLASS: '3723'
Missing
From CA of 05/01/1998 by Pat Montero: No - Complete
Finish
UNCOLOURED GLASS/ NATURAL FINISH METAL/ RED WAX
Decoration
N/A

CITE THIS OBJECT

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

NORTHERN ELECTRIC CO. LTD., Vacuum tube, circa 1919–1922, Artifact no. 1988.0354, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1988.0354.001/

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