Transmitter [Marconi T1154]
Maker and role
Marconi Instruments Limited, Manufacturer
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Object detail
Accession number
2004.268
Description
Transmitter, Marconi T1154. Wireless for operation by a Wireless Operator. A black metal box with 6 coloured "click stop" switches - 2 yellow, 2 red and 2 blue switches. In addition, there are 2 dials down the bottom right corner of the front panel. On dial are numbers from 1 to 17. The second dial numbering from 18 to 24. These dials have yellow indicator switches. In the centre, right side is a dial which numbers from 1 to 9. This has a red indicator switch. Above this, is another dial which numbers from 1 to 9. This has a blue indicator switch. On the bottom, right hand side of the front panel is a black switch. There is a colour coding plate with blue, red and yellow markings. The blue range is 100 to 55 MC/S. The red range is 55 MC/S to 30 MC/S. The yellow is 500 to 200 KC/S.
In the centre of the panel is a white information plate which is fixed to the unit by 6 screws. On this plate are the 24 letters of the alphabet. The letters are divided into blue, red and yellow groups. The letters have a series of numbers allocated to them.
At the top of the panel, are 2 white dials under glass windows. The left dial is headed "Mag. Feed" and the right dial is headed AE AMPS. The left dial has a reference number 10A/12140. The right dial has the reference number 10A/12162. On the right side end of the box are 3 round holes and one square hole. The top round hole has the word "EARTH" printed in white. The middle round hole has HF AERIAL. The bottom hole has MF AERIAL.
In the centre of the panel is a white information plate which is fixed to the unit by 6 screws. On this plate are the 24 letters of the alphabet. The letters are divided into blue, red and yellow groups. The letters have a series of numbers allocated to them.
At the top of the panel, are 2 white dials under glass windows. The left dial is headed "Mag. Feed" and the right dial is headed AE AMPS. The left dial has a reference number 10A/12140. The right dial has the reference number 10A/12162. On the right side end of the box are 3 round holes and one square hole. The top round hole has the word "EARTH" printed in white. The middle round hole has HF AERIAL. The bottom hole has MF AERIAL.
Marks
10D112 10D113 MW58 STEEL
Media/Materials
Collection
Credit Line
Marconi Instruments Limited. Transmitter [Marconi T1154], 2004.268. The Museum of Transport and Technology (MOTAT).
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