Key, telegraph

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Ingenium, 1967.0737.001
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OBJECT TYPE
SUBMARINE CABLE
DATE
Unknown
ARTIFACT NUMBER
1967.0737.001
MANUFACTURER
SULLIVAN, H.W.
MODEL
Unknown
LOCATION
London, England

More Information


General Information

Serial #
N/A
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
Unknown

Dimensions

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

Length
N/A
Width
N/A
Height
N/A
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
SULLIVAN
Country
England
State/Province
Unknown
City
London

Context

Country
Worldwide
State/Province
Unknown
Period
Unknown
Canada
USED IN CANADA TO SEND SIGNALS ON THE TRANSATLANTIC CABLE
Function
APPLIED TO LONG DISTANCE RECORDER. WAS USED TO SEND SIGNALS OVER A TRANSATLANTIC CABLE.
Technical
THE KEY HAS TWO LEVERS, ONE FOR DOTS AND THE OTHER (WHICH REVERSED THE POLARITY OF THE SENDING VOLTAGE) FOR DASHES.
Area Notes
Unknown

Details

Markings
LEFT KEY: NEG. BATTERY TO LINE - DOTS/ RIGHT KEY: POS. BATTERY TO LINE - DASHES/ NEITHER KEY: SPACE
Missing
N/A
Finish
Unknown
Decoration
N/A

CITE THIS OBJECT

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

SULLIVAN, H.W., Key, telegraph, Unknown Date, Artifact no. 1967.0737, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1967.0737.001/

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