A rare WW1 French Jaeger Paris Type AM (Aviation Militaire) aircraft tachometer.
Serial No - 40138.
Circa - 1915 / 16.
In excellent original condition with clean black dial & undamaged bevelled glass.
The case has all four fixing lugs in place, and has been very lightly polished retaining
a good patina.
The fine Jaeger chronometric mechanism is in working condition with pointer correctly
returning to zero.
As fitted to a variety of French aircraft of the period.