Most Important Achievements
- 1889 Apparatus for washing prints (patented).
- 1891 Printing process for stereoscopic photographs (for continuously contact print making) (patented).
- 1893 Hopper feed installation for rapidly projecting slides in a biunial (two-in-one) lantern to create the illusion of movement (patented).
- 1895 Kinetic Camera with appliance for loop forming (patented).
- 1895/96 Electroscope, apparatus for continuous viewing by more than one spectator of 35mm film.
- 1896 Installation for wholesale production of raw stock 35 mm film.
- 1896 Kineopticon, improved apparatus for projecting 35 mm film (patented).
- 1897 Cine camera with 2 lenses to resolve flicker problems and to enhance brightness.
- 1898 Birtac, home movie camera for daylight loading of 17,5 mm film (patented).
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