Transmitter head, relay

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OBJECT TYPE: MOBILE
DATE: Unknown
ARTIFACT NUMBER: 1986.0496.001

MANUFACTURER: MARCONI'S WIRELESS TELEGRAPH CO. LTD.
MODEL: BD.407 D
LOCATION: London, England

More Information

General Information

Serial #: 277
Part Number: 1
Total Parts: 1
AKA: N/A
Patents: N/A
General Description: METALS/ BAKELITE (?)/ GLASS/ PLASTICS/ RUBBER

Dimensions

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

Length: 29.2 cm
Width: 29.2 cm
Height: 35.0 cm
Thickness: N/A
Weight: N/A
Diameter: N/A
Volume: N/A

Lexicon

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

Manufacturer

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

Context

Country: Canada
State/Province: Manitoba
Period: Unknown
Canada: USED IN CBC STUDIOS IN WINNIPEG, MAN.
Function: COMBINES WITH TRANSMITTER CONTROL UNIT TO PERFORM TRANSMITTING FUNCTIONS WITHIN MICROWAVE LINK SYSTEM. (SEE COMMENTS)
Technical: Unknown
Area Notes: Unknown

Details

Markings: MFR'S PLATE AFFIXED TO TOP OF CASING: 'MARCONI/ RELAY TRANSMITTER HEAD/ TYPE BD.407D REF. NO. WQ 8217/ C ED.D/ SERIAL NO.277/ MARCONI'S WIRELESS TELEGRAPH CO. LTD./ LONDON ENGLAND'/ 2ND PLATE ABOVEMFR'S: 'C.B.C./ RADIO- CANADA/ 122877'/ SIGN TAPED TO TOP, CENTRE FRONT: 'NOTICE/ THIS WAVEMETER TUNES FROM/ 6800 TO 6975 MHZ ONLY/ TUNE XMITTER FOR MAX. POWER/ WHEN OUTSIDE THESE FREQ.'/ BLACK PLASTIC PLATE AFFIXED TO LEFT SIDE OF TOP: ‘THIS UNIT IS TUNED TO/ THE FOLLOWING FREQUENCY/ [______] MC/S' (OVAL WINDOW OPENING PERMITS THE INSERTION OF DESIRED INFORMATION - IT WAS RECEIVED EMPTY)./ RECTANGULAR HOUSING LABELED: ‘TRANSMITTER CONTROL' AND BEARING LABELED PLUG RECEPTACLES IS MOUNTED ON TOP OF RELAY./ WAVE METER COMPONENT BEARS FOLLOWING INFORMATION: ‘MARCONI/ WAVE METER/ T.619239 GP.504/ 6800 TO 6975 MC/S/ INST. NO. 587728'./ MANY OTHER COMPONENT PARTS IE. CAPACITORS, VACUUM TUBES, ETC. ALSO BEAR MFR'S MARKINGS.
Missing: UNKNOWN, AS REGARDS INTERNAL COMPONENTS. EXTERIOR CYLINDRICAL CASING PANELS, INCLUDING END PIECE ABSENT.
Finish: DARK GREY ENAMEL(?) BAKED FINISH ON ALL CASING SURFACES/ SILVERTONE METAL HANDLES.
Decoration: N/A

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MARCONI'S WIRELESS TELEGRAPH CO. LTD., Transmitter head, relay, Unknown Date, Artifact no. 1986.0496, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1986.0496.001/

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