CH6470A
(en )
1893-09-15
Apparatus for producing optical illusions
FR341508A
(en )
1904-08-10
Device for the projection of animated scenes
FR381453A
(en )
1908-01-13
Apparatus for the production of optical illusions
CH7921A
(en )
1894-10-31
Apparatus for producing local anesthesia
CH7757A
(en )
1894-06-15
Continuous running exhaustion apparatus for the production of ectraits in general
FR318111A
(en )
1902-10-06
New device for producing an optical illusion, called a "rephaloscope"
FR346202A
(en )
1905-01-07
Apparatus used to produce optical illusions
FR468102A
(en )
1914-06-29
Apparatus for producing illusions on a theater stage
CH9369A
(en )
1895-05-31
Apparatus for the development of photographic chlichés
FR336460A
(en )
1904-03-10
Device for viewing fixed or animated stereoscopic projections
CH6993A
(en )
1893-12-15
Apparatus for water vapor disinfection
CH9221A
(en )
1895-04-30
Apparatus for making `` films '' or photographic films
CH9380A
(en )
1895-05-31
Apparatus system for incandescent lighting
CH5645A
(en )
1893-02-15
Solar projection device for education
FR420912A
(en )
1911-02-10
Advanced eyepiece for optical instruments
CH28142A
(en )
1904-04-15
Advanced device for producing light
FR343984A
(en )
1904-10-20
Apparatus for producing moving images
FR370066A
(en )
1907-01-28
Apparatus for the production of scenic illusions
CH7282A
(en )
1894-02-28
Drawing for filamentous materials
CH6797A
(en )
1893-10-31
Light projector system for lighting devices
FR373209A
(en )
1907-05-06
Apparatus for theatrical exhibitions
CH7767A
(en )
1894-06-15
Frame for school slates
FR343298A
(en )
1904-09-29
Optical instrument
FR342632A
(en )
1904-09-13
Apparatus for the production of gelatin images
FR331688A
(en )
1903-09-25
Apparatus for producing artificial light, for use in photography