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SWB1 transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Short wave beam (SWB1) telegraph transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Short wave beam (SWB1) telegraph transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Short wave beam (SWB1) telegraph transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Short wave beam (SWB1) telegraph transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Short wave beam (SWB1) telegraph transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Short wave beam (SWB1) telegraph transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Plate belonging to the short wave beam (SWB1) telegraph
Science Museum Group Collection
© The Board of Trustees of the Science Museum
Plate belonging to the short wave beam (SWB1) telegraph
Science Museum Group Collection
© The Board of Trustees of the Science Museum
SWB1 transmitter no
Science Museum Group Collection
© The Board of Trustees of the Science Museum