TypeL TRF
Frequency range: 20000 to 15 meters
Tube lineup: 4 x W21 type

For a comprehensive look at this receiver, go  to this page.

Type 730 receiver  S?N 1552 (Image from the History of Science Museum , London)

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Contributors and Credits:

1) Lewis Bodkin  <05bodkin555(at)gmail.com>
3) http://www.radiomuseum.co.uk/marconi730.html

May 12/14