Details
A Forward Spark Transmitter,
20 watt, B, Mark II, by W.T. Factory, Soho, in mahogany case with double hinged lid, gap gauge, flap enclosing spark and fold-out Morse key -- 9in. (24cm.) high, circa 1916
20 watt, B, Mark II, by W.T. Factory, Soho, in mahogany case with double hinged lid, gap gauge, flap enclosing spark and fold-out Morse key -- 9in. (24cm.) high, circa 1916