Field Telephones of WW I
zum Armeefernsprecher) - Additional Army Field
Telephone Box, model 1915. This sample was made by
Telefon- & Telegraphenbau Ges., Frankfurt a/M,
be continued after the picture set...
Army Field Telephone Box was designed to make "Eiserner
Armeefernsprecher" of 1913 fully compatible with the
"Armeefernsprechgerät alter Art" of 1905. It also
had magneto and bell inside which added magneto signaling
capability to the phonetic signaling of Army Field
= 210 х 150 х 125 mm, weight - 3.75 kg.