AT63675B
(en )
1914-02-25
Electrical block signaling device for railways.
AT51223B
(en )
1911-12-11
Block device for railways.
AT26078B
(en )
1906-10-25
Automatic block signaling device for electric railways.
AT27636B
(en )
1907-02-25
Automatic block signaling device for electric railways.
CH47208A
(en )
1910-06-01
Block signaling device on railways
CH48025A
(en )
1910-09-01
Block signaling device on railways
CH52348A
(en )
1911-11-16
Electrical monitoring device for points
CH55845A
(en )
1912-09-16
Signaling device for railways
CH36684A
(en )
1907-02-15
Electric railway system
CH37556A
(en )
1907-06-30
Electrical monitoring device for railway operating objects
CH47858A
(en )
1910-08-16
Plug contact for electrical lines
CA120285A
(en )
1909-08-31
Electrical signalling device for railways
AT53390B
(en )
1912-05-10
Cooling device for enclosed electrical machines.
CH49623A
(en )
1911-03-01
Supports for electrical measuring devices
AT42096B
(en )
1910-05-10
Signaling device for railways.
CH51021A
(en )
1911-07-17
Electrical signaling device
CH54233A
(en )
1912-05-01
Electrical signaling device
CH51022A
(en )
1911-07-17
Electrical signaling device
CH50887A
(en )
1911-07-17
Electrical signaling device
CH50885A
(en )
1911-07-17
Electrical signaling device
CH50884A
(en )
1911-07-17
Electrical signaling device
DK10451C
(en )
1908-01-27
Electrical Signal Apparatus for Railways.
CH50294A
(en )
1911-05-16
Snow-mist-free line board for electric railways
CH37694A
(en )
1907-07-15
High-voltage line insulator for electric railways
CH34418A
(en )
1906-04-15
Safety device for electrical lines