Hardcover. Condition: Good. Pitman 1939 7th edition. Good in marked and chipped blue cloth with faded lettering and bumped corners. Previous owner's inscriptions on the front free endpaper, half- title page has repaired tear. With foreword by G. W. O. Howe.
A formative text from the relatively early days of wireless telegraphy, used extensively in the training of technicians, no more so than in the Royal Signals, in which regiment my father first obtained the book.
