CH60211A
(en )
1913-07-01
Automat for switching electric lights on and off
CH56932A
(en )
1912-12-02
Switching device that can be operated with low current for switching electrical lighting on and off
CH65428A
(en )
1914-06-16
Contact device on elevators with lateral clearance intended for pulling up lamps
FR430189A
(en )
1911-10-10
Light switch
CH64330A
(en )
1914-04-01
Electrical switching device
CH64791A
(en )
1914-05-01
Electric lighting device
FR446488A
(en )
1912-12-06
Device for obtaining the automatic switching on and off of electric lamps having to operate temporarily
CH63912A
(en )
1914-02-16
Automatic electric light and alarm device
FR426038A
(en )
1911-06-26
Automatic switch for electric currents
CH60862A
(en )
1913-08-16
Switching device for electric lighting for advertising or other purposes
CH61275A
(en )
1913-09-16
Switching device for electric lighting for advertising or other purposes
DK15531C
(en )
1912-01-29
Automatic for switching on and off electric lamps.
CH62691A
(en )
1913-12-16
Circuit arrangement for operating telephone systems with manual operation
CH65017A
(en )
1914-05-16
Device for lighting lamps
CH65011A
(en )
1914-05-16
Switching device
FR448216A
(en )
1913-01-25
Automatic telephone switch
FR483081A
(en )
1917-05-25
Electric lamp saver
CH61778A
(en )
1913-10-16
Automatic electrical switch-off device with time setting
FR432723A
(en )
1911-12-14
Automatic switch tap
DK20014C
(en )
1915-03-29
Switching device for electric Light Advertising.
FR482133A
(en )
1917-02-22
Automatic switch
CH74565A
(en )
1917-08-01
Automatic switch
CH64780A
(en )
1914-05-01
Switching device with safety switch
ES52947A1
(en )
1912-10-16
Automatic electrical switch.
CH73429A
(en )
1917-03-01
Replaceable electrical lighting device on dignallanterns for railways