Key, telegraph

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Ingenium, 1979.0604.001
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OBJECT TYPE
WIRELESS/MANIPULATING
DATE
1923
ARTIFACT NUMBER
1979.0604.001
MANUFACTURER
MARCONI'S WIRELESS TELEGRAPH CO. LTD.
MODEL
Unknown
LOCATION
London, England

More Information


General Information

Serial #
25661
Part Number
1
Total Parts
1
AKA
N/A
Patents
N/A
General Description
BRASS CONSTRUCTION WITH PLATINUM CONTACT PIECES/ EBONITE OPERATINGDISKS & INSULATING DISK/ WOOD BASE.

Dimensions

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

Length
28.5 cm
Width
12.4 cm
Height
7.5 cm
Thickness
N/A
Weight
N/A
Diameter
N/A
Volume
N/A

Lexicon

Group
Communications
Category
Telegraphy
Sub-Category
N/A

Manufacturer

AKA
MARCONI
Country
England
State/Province
Unknown
City
London

Context

Country
Canada
State/Province
Unknown
Period
Unknown
Canada
Unknown
Function
A DEVICE FOR OPENING OR CLOSING AN ELECTRIC CIRCUIT TO TRANSMIT MESSAGES.
Technical
Unknown
Area Notes
Unknown

Details

Markings
FRONT BRASS PLATE: 'MARCONI'S WIRELESS/ TELEGRAPH CO. LTD./ NO.25661 LONDON'/ '12ATR' ENCLOSED IN A CIRCLE ON BOTTOM. INCISED MARKINGS.
Missing
NOT EQUIPPED WITH USUAL TELEPHONE SHORT CIRCUITING SPRINGS/ TERMINALS ARE NOT ORIGINAL.
Finish
VARNISHED & WAXED WOOD BASE/ LACQUERED BRASS.
Decoration
N/A

CITE THIS OBJECT

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

MARCONI'S WIRELESS TELEGRAPH CO. LTD., Key, telegraph, before 1923, Artifact no. 1979.0604, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1979.0604.001/

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