Charming compass box and accessories with key

Charming compass box complete with its key. Wooden box marked inside "patented superior compasses s.d.g.". Engraving of a plaque with the name of the owner, affixed to the top of the box "a.i.c. Helie" Complete. Compass with all its accessories. Additional accessories under the main compartment. A protractor is in a compartment "hidden" behind the fabric bottom. Label numbered 49 of the seller cheron opticien rue du grand pont 83 rouen. Nice collector's item. Around 1920, france.

Ref. : UTSTUSRZ