PETITDIDIER, OCTAVE LEON. 1853-1918.
A 3½-inch refracting telescope, Chicago, IL, c.1915, signed "O.L. Petitdidier | Chicago," brass, sighting scope, with wood tripod base, 1350 mm long, base 1900 mm high, housed in original wood case together with 3 additional lenses, 2 right-angle finders, and leather lens cap, one tripod spike loose.
Provenance: original shipping tag from well-known scientific instrument dealer William Gaertner & Co., Chicago, IL to the purchaser in Winona, MN.
Included in the lot is a letter signed by Petitdidier to the first owner of the telescope, dated December, 1915.