Details

Copy of MS report written by Marconi for W H Preece, on Marconi's experiments in wireless telegraphy carried out near Salisbury. Describes the object of the experiment: to investigate the effect of the height of insulated conductors connected to the transmitter and receiver on the distance of the signal transmitted, using hydrogen balloons to carry the conductors . Includes detailed description of his methods; diagram of his equipment, including the two balloons; details of the adjustments made due to the strong winds; results. Written in London.