Relay

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OBJECT TYPE
MAIN LINE/300 OHMS
DATE
1920–1939
ARTIFACT NUMBER
1993.0074.001
MANUFACTURER
Ahearn & Soper Ltd.
MODEL
18T
LOCATION
Ottawa, Ontario, Canada

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
FERROUS & NON-FERROUS METAL/ WOOD/ SYNTHETIC, Ebonite

Dimensions

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

Length
22.5 cm
Width
12.5 cm
Height
9.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
Ahearn Soper
Country
Canada
State/Province
Ontario
City
Ottawa

Context

Country
Unknown
State/Province
Unknown
Period
1920'S & 1930'S
Canada
Unknown
Function
TO PASS A TELEGRAPH SIGNAL FROM ONE PART OF THE SYSTEM TO ANOTHER
Technical
Unknown
Area Notes
Unknown

Details

Markings
PLATE ON BASE TOP: 'AHEARN & SOPER LIMITED/ OTTAWA, ONTARIO'/ STAMPED ON BASE TOP: 300 OHMS/ 18 T'
Missing
From CA of 07/30/1996 by Kevin Machan: Undetermined
Finish
STAINED & VARNISHED WOOD/ BLACK GLOSSY PAINTED BASE/ UNFINISHED METAL
Decoration
N/A

CITE THIS OBJECT

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

Ahearn & Soper Ltd., Relay, between 1920–1939, Artifact no. 1993.0074, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1993.0074.001/

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