Signalling through space without wires : being a description of the work of Hertz & his successors by Prof. Oliver J. Lodge, F.R.S.

London : "The Electrician" Printing & Publishing Co., Ltd., [1894]. Third edition, second issue. Hardcover. 133 pages ; illustrated ; 22 cm. No dust jacket, as issued. Previous ownership marking on the front free endpaper. No other markings elsewhere. Pages toned and binding is firm.