Frequency Range: 185 to 1,600 meters.

Comment:  The 359 DF set is a 11G set which has been modified by Marconi to cover the wave range of 185 to 1,600 meters. There are also some minor modifications made to the receiver  such as:

1) The earthing relay is omitted.
2) A calibrating choke is fitted
 
 

359 schematic. Download to enlarge (Courtesy Wireless Telegraphists)

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Contributors and Credits:

1)   Lewis Bodkin  <05bodkin555(at)gmail.com>2)
2) "The Handbook of Technical Instruction For Wireless Telegraphists", Fourth edition. 1929

Apr 13/20