Details
Policonographe lens
No. 14, the lacquered-brass barrel engraved Policonographe de Voyage Brevete S.G.D.G. J. Duboscq a Paris
No. 14, the lacquered-brass barrel engraved Policonographe de Voyage Brevete S.G.D.G. J. Duboscq a Paris
Literature
c.f. Francesch (1993), Les Appareils Photographiques Franis, p. 314 no. 1514.
Further details
See illustration