AT33036B
(en )
1908-05-25
Switch operating rail for electrical railways with surface contacts.
CH40570A
(en )
1908-08-01
Driving switch for electric railways
CH39782A
(en )
1908-04-16
Rotary switch for electrical lines
AT25862B
(en )
1906-09-25
Switching arrangement for electrically operated trolleys with winches.
CH41514A
(en )
1908-11-02
Catenary switch in electrical railway systems with two-pole overhead contact lines
AT63675B
(en )
1914-02-25
Electrical block signaling device for railways.
CH33650A
(en )
1905-12-31
Overhead contact line for electric railways
CH33101A
(en )
1905-10-15
Contact fingers for electrical switchgear
CH36684A
(en )
1907-02-15
Electric railway system
CH37672A
(en )
1907-07-15
Insulated electrical line
AT26078B
(en )
1906-10-25
Automatic block signaling device for electric railways.
AT27636B
(en )
1907-02-25
Automatic block signaling device for electric railways.
CA102076A
(en )
1906-11-20
Railway switch
CH37694A
(en )
1907-07-15
High-voltage line insulator for electric railways
CH37556A
(en )
1907-06-30
Electrical monitoring device for railway operating objects
CH32238A
(en )
1905-06-30
Contact line for electric railways
CH36119A
(en )
1906-11-30
Electrical switch locking device
CH37039A
(en )
1907-04-15
Electrical contact device
AT36313B
(en )
1909-02-25
Floor switch device for electric elevators.
CH35118A
(en )
1906-07-31
Innovation in switchgear with metallic contact elements for electrical lines
CH36098A
(en )
1906-11-30
Switching device for high voltage with detachable contacts
CH37552A
(en )
1907-06-30
Tram switch for rail tracks with groove
AU318805B
(en )
1906-05-29
Rail circuit contact
GB190616678A
(en )
1906-11-22
Improvements in Railway Switches.
ES42552A1
(en )
1908-03-01
An electric switch for track changes.