Altimeter, Sensitive, Type C-11, 35,000 ft, PN 642K-05-784 French Armée de l'Air which was to be set

which was to be set for the maximum permissible speed in a dive for the aircraft type in which it was installed

We have seen claims that these were used in aircraft such as the Sopwith Camel and Sopwith Pup

Measures approximately 8 inches high and ~6 inches wide

This was intended for use in bombing targets requiring concentrated bombing patterns

Framburg reverted to production of lamps

Altimeter, Sensitive, Type C-11, 35,000 ft, PN 642K-05-784 French Armée de l'Air which was to be setHere is a post WWII era Sensitive Altimeter, similar to the US Army Type C 11, made by Kollsman. The C 11 Sensitive Altimeter displayed altitude using 3 pointers. The knob is used to adjust the altimeter to the barometric pressure is displayed in the small window at the 3 o'clock position. See spec sheet in the photo gallery. It is in very good condition given its age. The glass and case are intact, and the knob rotates, and the pointers move. It is