Plate 35: Voice tube system
PLATE 35 - SPRACHROHRANLAGE
Voice tube system
a
SPRECHEN. . . zB HECKTORPEDORAUM
Speaking. . . for example stern torpedo room
b
ANPFEIFEN. . . zB ZENTRALE
Whistling. . . for example, control room
c
RAUMNOTLUFT
Room emergency air
[Note: this key is consistent with IXC/39 only. The plate below is for an IXC/40. Items c applies only to the IXC/39 so is struck through.]