Photo series “Vintage Panerai instrument of the week”
by Volker on Dec.20, 2010, under General
Officine Panerai signal torch, creating three different light colors by a rotating head (white, green and red light) with external device to turn on and off (fixed or flashing light; patented in the 1950’s).
Dimensions of the signal torch:
length 23 cm / calibre 5.8 cm (head), 3 cm (rear/grip)
powered by 1 x 3Volt Superplus battery
[photo by Ralf Ehlers]