Relay

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Ingenium, 1969.0312.001
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OBJECT TYPE
150 OHMS/ADJUSTABLE
DATE
1915
ARTIFACT NUMBER
1969.0312.001
MANUFACTURER
POSTAL TEL. CO.
MODEL
Unknown
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
WOOD BASE/ BRASS/ METAL/ RUBBER/ TWINE

Dimensions

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

Length
14.4 cm
Width
9.2 cm
Height
8.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
POSTAL
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Unknown
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
A DEVICE WHICH OPENS OR CLOSES AN AUXILIARY CIRCUIT UNDER PREDETER- MINED ELECTRICAL CONDITIONS IN THE MAIN CIRCUIT. IT ENABLES A WEAK CURRENT TO BE STRONGER.
Technical
IMPROVED THE QUALITY AND CAPACITY OF TELEGRAPH COMMUNICATION
Area Notes
Unknown

Details

Markings
INCISED ON BASE LEFT: 'POSTAL TEL. CO.'/ ON BASE RIGHT: '150'.
Missing
RUBBER CASING FROM 1 MAGNET. From CA of 07/26/1996 by Kevin Machan: Yes - Missing bobbin cover.
Finish
VARNISHED BASE
Decoration
ROUNDED BASE CORNERS

CITE THIS OBJECT

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

POSTAL TEL. CO., Relay, circa 1915, Artifact no. 1969.0312, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1969.0312.001/

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