Altimeter (Contact), Luftwaffe, Fl.22317 JU-87 Stuka, JU-88, Kontakt-Hohenmesser P-47 in an audio frequency signal

in an audio frequency signal the average frequency of which is proportional to the altitude of the aircraft above the ground

The original face cushions have after 80+ years hardened with age

but doesn't affect the cosmetic appearance and could be replaced

similar to those used in the US Navy's PBY-5A Catalina

Made by Weston

Altimeter (Contact), Luftwaffe, Fl.22317 JU-87 Stuka, JU-88, Kontakt-Hohenmesser P-47 in an audio frequency signalThis is an excellent specimen of the Contact Altimeter (Kontakt Hohenmesser) Fl. 22317 as used in the WWII era JU 87 Stuka and JU 88 dive bombers and some ME 110 fighters of the German Luftwaffe. See the illustration of the JU 87 blind flying panel showing the location of this altimeter. The altimeter has two hands and two front nested knobs. The white pointer indicates the aircraft altitude, from 0 6 Km, and the outer knob adjusts for barometric