A collection of ten (of twelve) glass lantern lecture slides, in colour, Series IX featuring balloons, airships and aeroplanes including Bleriot, Voisin, Wright, Hilieuthal, early Zeppelins and others, with original description leaflet in original box (A lot)(See illustration)

細節
A collection of ten (of twelve) glass lantern lecture slides, in colour, Series IX featuring balloons, airships and aeroplanes including Bleriot, Voisin, Wright, Hilieuthal, early Zeppelins and others, with original description leaflet in original box (A lot)(See illustration)