Capacitor

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Ingenium, 1969.0554.001
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OBJECT TYPE: ROLLED CONDENSER
DATE: 1920
ARTIFACT NUMBER: 1969.0554.001

MANUFACTURER: Northern Electric Co. Ltd. of Canada
MODEL: 21-D
LOCATION: Montreal, Quebec, Canada

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: ALUMINUM FOIL PLATES/ WAX PAPER DIALECTRIC/ ROLLED CAPACITOR SUPPORTED IN SHEET METAL CASE WITH TAR FILLER/ PAPER LABEL

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: 4.4 cm
Height: 4.1 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telephony
Sub-Category: N/A

Manufacturer

AKA: Northern Electric
Country: Canada
State/Province: Quebec
City: Montreal

Context

Country: North America
State/Province: Unknown
Period: 1920-1940
Canada: Unknown
Function: GENERAL PURPOSE CAPACITOR USED TO PASS ALTERNATING CURRENT (VOICE FREQUENCIES) AND BLOCK DIRECT CURRENT IN TELEPHONE APPARATUS
Technical: TYPICAL CAPACITOR USED IN TELEPHONE APPARATUS SUCH AS SMALL PBX, CENTRAL OFFICE AND MAGNETO TELEPHONES
Area Notes: Unknown

Details

Markings: LABEL READS: 'PATENTED 1906/ Northern Electric Company/ LIMITED/ ROLLED CONDENSER/ No. 21-D/ CAPACITY 2 M.F.'
Missing: N/A
Finish: DULL BLACK ENAMEL/ WHITE LABEL WITH BLACK PRINTING
Decoration: N/A

CITE THIS OBJECT

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

Northern Electric Co. Ltd. of Canada, Capacitor, circa 1920, Artifact no. 1969.0554, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingenium.ca/en/id/1969.0554.001/

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