Original British WWII Signal Training Pamphlet – Telephone Sets F – 1939

Original British Army Signal Training manual, Volume III, Pamphlet No. 23, covering the Telephone Sets F, Marks I and I*. Dated 18 October 1939 and issued by the War Office. The manual deals with the description, operation, maintenance and repair of the British Army Telephone Set F, including the magneto generator, buzzer, bell and handset.

This is an original wartime-era War Office publication.