GB527717A
(https= )
1900-01-01
US1169251A
(en )
1916-01-25
Electric relay.
US666161A
(en )
1901-01-15
Electric metal-working apparatus.
US410276A
(en )
1889-09-03
Friedeich haenichen and otto iiaeniciien
US1498347A
(en )
1924-06-17
Automatic control switch
SU52298A1
(ru )
1936-11-30
Устройство дл циркул рного вызова, контрольных телеграфных пунктов
GB189804398A
(en )
1898-05-20
Improvements in Electric Railways on the Sectional Conductor System.
GB413032A
(https= )
GB189713523A
(en )
1897-07-10
An Improved Starting Switch with Automatic Cut-out for Electric Motors.
GB189725998A
(en )
1897-12-18
Improvements in Automatic Circuit-breakers.
GB204292A
(https= )
GB100365A
(en )
1916-11-16
Improvements in Electric Devices for Automatically Turning Lights on and off.
GB189719307A
(en )
1898-06-25
Improvements in or connected with Electric Arc Lamps.
GB412272A
(en )
1934-06-25
Improvements in or relating to electro magnets for alternating current circuits
GB117443A
(en )
1919-09-11
Improvements relating to Double Current Dynamos for Wireless Installations.
GB169191A
(en )
1921-08-25
Improvements in and relating to electric arc welding systems
GB116791A
(en )
1918-06-27
Improvements connected with Lifting Magnets.
GB189800143A
(en )
1899-01-03
Improvements in Electric Arc Lamps.
GB165498A
(en )
1921-06-27
Improvements in or relating to apparatus for charging and discharging electric storage batteries
GB147141A
(en )
1920-12-09
Electro magnetic chucking device
GB191211871A
(en )
1913-01-09
Improvements in and relating to the Regulation of Electric Installations.
GB123077A
(en )
1919-08-07
Improvements in Ignition Systems.
GB191406425A
(en )
Improvements in Electro-magnetic Switches.
GB189713524A
(en )
1897-07-10
An Improved Starting Switch with Automatic Cut-out for Electric Motors.
GB191422082A
(en )
1915-10-28
Improvements in or relating to Harvesters.