Aircraft Clock, 24 Hour, 8 Day Wakmann Model A-11-24 Lockheed This is an authentic vintage

This is an authentic vintage Direct Reading Free Air Temperature Indicator Type C-13A

This one appears to be from the 1950's

All of the mechanical parts appear to operate as intended

This is a Sensitive Tachometer

Aircraft Clock, 24 Hour, 8 Day Wakmann Model A-11-24 Lockheed This is an authentic vintageHere is a fine specimen of a Swiss made 24 hour, 8 Day Aircraft Clock, manufactured by Wakmann, Model A 11 24 likely 1950 1960's vintage. The knob sets the time when pulled and rotated; otherwise the knob winds the clock when rotated clockwise. The clock works when wound and seems to keep time, but its accuracy has not been confirmed. It has an aluminum case measuring 2 3 8 inches square and the round clock face measures 2 1 4 inches diameter.