Key, telegraph

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Ingenium, 1975.0035.001
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OBJECT TYPE
CAMEL BACK/OPEN CIRCUIT
DATE
1848–1869
ARTIFACT NUMBER
1975.0035.001
MANUFACTURER
Unknown
MODEL
CAMEL BACK
LOCATION
Unknown

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
BRASS/ EBONITE OPERATING DISC & KNOB

Dimensions

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

Length
14.2 cm
Width
9.1 cm
Height
5.0 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
Unknown
Country
Unknown
State/Province
Unknown
City
Unknown

Context

Country
Canada
State/Province
Ontario
Period
1870-1912
Canada
USED IN METCALFE, ONT TELEGRAPH OFFICE. SERVICES SUPPLIED BY THE MONTREAL TELEGRAPH COMPANY & LATER BY THE GREAT NORTH WESTERN TELEGRAPH. THE SERVICE BEGAN IN 1870 & CLOSED IN 1912, DUE TO THE DEVELOPMENT OF THE TELEPHONE. METCALFE OFFICE CALL WAS 'XC'.
Function
A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES.
Technical
ELIMINATED BATTERY WASTE WHEN TRANSMISSIONS WERE NOT BEING MADE, WITHOUT CLOSING INCOMING MESSAGE TRANSFERENCE.
Area Notes
Unknown

Details

Markings
N/A
Missing
SPRING From CA of 08/14/1996 by Kevin Machan: Yes - Missing: lever finger button.
Finish
Unknown
Decoration
N/A

CITE THIS OBJECT

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

Unknown Manufacturer, Key, telegraph, between 1848–1869, Artifact no. 1975.0035, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1975.0035.001/

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