CH55962A
(en )
1912-10-01
Apparatus serving as an astronomical-geographical teaching aid
CH53090A
(en )
1912-01-16
Photographic apparatus
FR438333A
(en )
1912-05-14
Sericulture method and apparatus
DK13656C
(en )
1910-09-05
Topographic Apparatus.
DK18260C
(en )
1913-12-15
Apparatus for Teaching Use.
CH54206A
(en )
1912-05-01
Apparatus that looks like an ejector
DK11686C
(en )
1909-01-11
Apparatus for Illusion of Sea Travel.
DK13831C
(en )
1910-10-31
Apparatus for Generating Ventilation in Roekuler.
DK17689C
(en )
1913-08-18
Apparatus for Performing Electrosmotic Separation.
DK14278C
(en )
1911-02-27
Apparatus for Releasing Windows for Dew.
DK17182C
(en )
1913-04-07
Apparatus for Displaying Images of Opaque Objects.
CH59063A
(en )
1913-04-16
Apparatus for testing gases
CH50561A
(en )
1911-06-16
Swimming apparatus
DK13532C
(en )
1910-08-15
Apparatus for Simultaneous Resolution of Multiple Cattle.
CH52292A
(en )
1911-11-01
Apparatus for testing eggs
CH53496A
(en )
1912-03-01
Apparatus for subaqual bowel irrigation
DK13881C
(en )
1910-11-14
Apparatus for the production of cinematographic films.
DK11685C
(en )
1909-01-11
Apparatus for the production of cinematographic glass plates.
DK15032C
(en )
1911-08-28
Apparatus for Forming Bottlenecks.
CH53397A
(en )
1912-02-16
Apparatus for making coffee etc.
DK12959C
(en )
1910-02-14
Apparatus for Cleaning Bottles.
DK15246C
(en )
1911-10-30
Apparatus for the production of advertising advertisements.
DK13007C
(en )
1910-02-28
Apparatus for Ejecting Rescue Lines.
DK13856C
(en )
1910-11-07
Apparatus for Tarring Roads and the like.
CA127053A
(en )
1910-07-19
Device for teaching penmanship