The Wireless Telegraphist's Pocket Book Of Notes, Formulae And Calculations

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From the foreword (precis): 'A Memoria Technica of formulae, data and useful tables required in practical calculations connected with radiotelegraphy.' Includes mathematical notes and tables, systems of measurement and technical data. Rare, 1915 first edition. 347 pages, plus graph paper pages at rear (one has been used for a very neat graph). Blue leather-bound boards in good condition for the book's age with associated wear due to handling to edges. Gilt titles to front and spine. Gilt page edges are bright. Small neat pencil annotation to left front endpaper, pencil drawings to left rear endpaper, a few other marks and some overall light tanning. Text internally is clean and bright. Two page-marker ribbons also present. Block is clean, binding is firm. A lovely, tactile copy of a rare edition.

39.99 GBP