|
DK18331C
(en)
|
|
Insulator arm for Telegraph poles.
|
|
AT75637B
(en)
|
|
Bushing insulator.
|
|
DK19069C
(en)
|
|
Connection terminal for overhead lines.
|
|
DK19316C
(en)
|
|
Telegraph device.
|
|
CH67318A
(en)
|
|
Bushing insulator
|
|
FR511716A
(en)
|
|
Telegraph installation
|
|
CH69083A
(en)
|
|
Figure telegraph
|
|
DK18997C
(en)
|
|
Telephone system.
|
|
DK22593C
(en)
|
|
Telephone system.
|
|
AT82884B
(en)
|
|
AC telegraph.
|
|
DK18509C
(en)
|
|
Telephone handover system.
|
|
DK18934C
(en)
|
|
Devices of electric type telegraph apparatus.
|
|
ES58374A1
(en)
|
|
Telephone.
|
|
DK19434C
(en)
|
|
Buelysel electrode.
|
|
DK20206C
(en)
|
|
Electric Switchgear.
|
|
DK21595C
(en)
|
|
Insulating Cover for Overhead Lines.
|
|
ES58546A1
(en)
|
|
Electric current limiter.
|
|
DK16556C
(en)
|
|
Connection by electrical block devices.
|
|
DK27084C
(en)
|
|
Electrical Signaling Procedure.
|
|
DK20157C
(en)
|
|
Tape insulation for electrical wires.
|
|
DK18728C
(en)
|
|
Protective device for electrical wires.
|
|
AT58706B
(en)
|
|
Flat conductor.
|
|
DK14812C
(en)
|
|
Insulator for Telegraph, Telephone and similar Wiring.
|
|
ES57350A2
(en)
|
|
Electrical coupling.
|
|
ES59335A3
(en)
|
|
An electric current limiter.
|