Signal Training Volume III, Pamphlet No. 23, Telephone Sets F Mark I, 1939

The Signal Training Volume III, Pamphlet No. 23, Telephone Sets Mark I and I*, 1939 was issued by the War Office in October 1939. The pamphlet is 39 pages long and gives a general description of the set, a technical description, working instructions and maintenance and repair instructions.

Pages Gallery

• 

  Plate 1

• 

  Plate 2

• 

  Plate 3

• 

  Plate 4

• 

  Plate 5

• 

  Plate 6

• 

  Plate 7

• 

  Figure 1

• 

  Figure 2

• 

  Figure 3

• 

  Figure 4