Voyages aériens. Impressions et études. Journal de bord de douze voyages scientifiques en ballon

First edition.
Binding half cardboard embossed brown corners, smooth back, marbled paper plates, guards and contreplats of paper green water, ex-libris pasted on a contreplat.
Nice copy despite some small foxing.
Rare autograph dedication signed Camille Flammarion Victorien Sardou.