Folder of material relating to H J Round's paper on radio direction finding.

A folder containing material relating to H.J. Round's paper, presented to the Institute of Electrical Engineers, entitled 'Direction and Position Finding'. This includes a proof copy of the paper and a copy reprinted from the Journal of the Institution of Electrical Engineers. Beyond this there are also handwritten notes relating to the subject and a typed draft with alterations. There are also typed and printed copies of the responses to the paper from other engineers and individuals who had experience of the system during the First World War.