CH31382A
(en )
1905-03-31
Device for electrical character transmission between two stations
CH34174A
(en )
1906-03-15
Isolation device on electrical lines
CH25822A
(en )
1903-06-30
Device for the electrical transmission of characters between two stations without a wire connection
CH38427A
(en )
1907-10-15
Switching device on electrical block units
CH34418A
(en )
1906-04-15
Safety device for electrical lines
ES35737A1
(en )
1905-05-16
An electrical photo-lexigraph apparatus.
FR340174A
(en )
1904-06-28
Connection piece for electrical conductors
CH32754A
(en )
1905-08-31
Switching device on electrical signal boxes
CH30514A
(en )
1904-12-31
Coupling for electrical lines with the same coupling halves
FR342458A
(en )
1904-09-08
Electrical insulators
CA92730A
(en )
1905-04-18
Wire drawing device
CA98431A
(en )
1906-04-10
Ballast moving device
AT23248B
(en )
1906-02-26
Device for the electrical lighting of railway trains.
FR365872A
(en )
1906-09-19
Advanced conduit for electrical conductors
CA90165A
(en )
1904-11-22
Insulation conduit
CH44549A
(en )
1909-08-16
Device on tower clocks for electrical, automatic winding of the same
CH32084A
(en )
1905-06-15
Terminal for electrical devices
CH32362A
(en )
1905-07-31
Insulating plate for electrical purposes
CH38726A
(en )
1908-02-01
Electrical insulation plate
AT25938B
(en )
1906-10-10
Switching device for electric drills or the like.
CH25813A
(en )
1903-06-30
Safety device on electrical overhead lines
FR377210A
(en )
1907-08-31
Insulating tubes for electrical pipelines
CA107664A
(en )
1907-09-24
Electrical distribution
AT20934B
(en )
1905-08-10
Device for counting the speaking time at telephone stations.
CH37134A
(en )
1907-04-30
Electrical device for target practice