A fine WW1 French aircraft altimeter by Peltret & Lafage, Paris.
Circa - 1915.
In good overall original condition with perfect engraved silvered dial
and bevelled glass. The case has some corrosion to the plating.
The dial is well marked including "Aviation Militaire" proving its use with
the French Army Air Service during WW1.
It is in working condition, responding well to barometric pressure variations.
Peltret & Lafage were known for making fine quality barometers and
scientific instruments of the period.