Transmitter, telegraph

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Ingenium, 1978.0402.001
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OBJECT TYPE: WHEATSONE/DIVIDED LEVER
DATE: 1910–1950
ARTIFACT NUMBER: 1978.0402.001

MANUFACTURER: MARCONI'S WIRELESS TELEGRAPH CO. LTD.
MODEL: 180
LOCATION: London, England

More Information

General Information

Serial #: N/A
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: CAST METAL BASE/ STEEL/ BRASS/ METAL/ COPPER/ BAKELITE/ PORCELAIN/ RUBBER/ GLASS/ WIRE/ PAPER

Dimensions

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

Length: 60.0 cm
Width: 33.0 cm
Height: 20.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

Group: Communications
Category: Telegraphy
Sub-Category: N/A

Manufacturer

AKA: MARCONI
Country: England
State/Province: Unknown
City: London

Context

Country: Unknown
State/Province: Unknown
Period: Unknown
Canada: Unknown
Function: A DEVICE THAT CONVERTS PERFORATED SLIP MARKS INTO ELECTRICAL IMPULSES FOR TRANSMISSION TO OTHER STATIONS
Technical: ENABLED ALREADY PERFORATED TAPE MESSAGES TO BE AUTOMATICALLY TRANSMITTED
Area Notes: Unknown

Details

Markings: FRONT MANUFACTURER'S PLATE:'MARCONI'S WIRELESS/ TELEGRAPH CO. LTD. LONDON/ NO.290900 TYPE 180'/ MOTOR PLATE:'W.MACKIE & CO./ 129-133, LAMBETH RD. LONDON./ MAC. NO.28369 HP.25/ VOLTS 110 AMPS R.P.M. 1400'/ TOP OF GEAR BOX: 'STOP MOTOR BEFORE/ CHANGING GEAR'; INSIDE LID:'WAIT UNTIL MOTOR STOPS'/ 'LOW/ SPEED/ 1/ 2/ 3/ 4/ 5/ HIGH SPEED'/ 'STOP MOTOR BEFORE/ CHANGING GEAR'/ ON RHEOSTAT:'FIELD REGULATOR/ MOTOR NO.29528/ DECREASE', ARROW, 'INCREASE', ARROW,/ M.W.T. CO. LTD./ 296874/ 120 VOLTS'/ ON PAPER NEXT TO TUNING COIL:'WPM/ 48/ 39/ 36/ 31'/ 'ON', 'OFF' SWITCH
Missing: From CA of 10/22/1996 by Kevin Machan: Yes - Missing: glass front for transmitter.
Finish: BASE,MOTOR & SOME COMPONENTS ENAMELLED BLACK/ END OF CONNECTION PLUG PAINTED RED
Decoration: MARBLED PATTERN ON TRANSMITTER

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MARCONI'S WIRELESS TELEGRAPH CO. LTD., Transmitter, telegraph, between 1910–1950, Artifact no. 1978.0402, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1978.0402.001/

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