Goerz Anschütz Detective Camera

9x12cm, exposures on dry plates, walnut body with metal plaque engraved: PATENT ANSCHÜTZ C.P.GOERZ BERLIN, brass lens engraved C.P. GOERZ Berlin Doppel-Anastigmat 7.7/150mm Serie II, No.1 no.14109 with iris diaphragm, original focal-plane shutter, handwritten stamp Ottomar Anschütz Lissa / Posen / D.R.Patent No.49912, metal frame finder, matching dark slide, camera in original condition with focussing screen. Literature: Michel Auer (1990) The Guide to Antique Cameras no.622, Abring I p.40, Lothrop (1973), A Century of Cameras, p.49.