CH13232A
(en )
1897-05-15
Apparatus for the production of letterpress plates reproducing photographic plates
FR342632A
(en )
1904-09-13
Apparatus for the production of gelatin images
FR347224A
(en )
1905-02-28
Apparatus for detecting the shape of bodies
FR429522A
(en )
1911-09-25
Apparatus and method for making printing plates
FR333322A
(en )
1903-11-21
Foundry apparatus for stereotyping
CH9369A
(en )
1895-05-31
Apparatus for the development of photographic chlichés
CH12245A
(en )
1896-11-15
Advanced apparatus for electrolysis
CH17092A
(en )
1899-04-15
Apparatus for producing acetylen
CH12477A
(en )
1896-12-31
An apparatus for the production of acetylene
FR337166A
(en )
1904-03-31
Apparatus for developing photographic images
FR356930A
(en )
1905-12-13
Apparatus for developing photographic plates
GB189617819A
(en )
1896-10-24
Improvements relating to Apparatus for Developing and Fixing Photographic Plates.
FR345043A
(en )
1904-11-19
Apparatus for chloroforming called "auto-chloroformer"
FR348808A
(en )
1905-04-27
Apparatus for printing reproductions of drawings by light
FR342706A
(en )
1904-09-15
Multiple apparatus for printing photographic prints
CH17343A
(en )
1899-05-31
Apparatus for the production of acetylene
FR342295A
(en )
1904-09-03
Apparatus for the production of ozone
CH12742A
(en )
1897-02-15
Apparatus for the production of acetylene
CH12244A
(en )
1896-11-30
Apparatus for the production of ozone
FR329133A
(en )
1903-07-25
Apparatus for the production of acetylene
FR336492A
(en )
1904-03-10
Apparatus for the production of acetylene
FR337414A
(en )
1904-04-09
Apparatus for drying photographic images
CH13528A
(en )
1897-07-15
Apparatus for exposing photographic film strips
FR332337A
(en )
1903-10-26
Apparatus for the manufacture of recorded cylinders of phonographs
CH14631A
(en )
1898-01-31
Advanced apparatus for electrolysis