|
GB191322222A
|
|
Improvements in the Manufacture of Electrodes for Electric Arc Lamps.
|
|
GB191022803A
|
|
Improvements in Electrodes for Arc Lamps.
|
|
GB191015977A
|
|
Improvements in or connected with Electrodes for Arc Lamps.
|
|
GB190918469A
|
|
Improvements in and/or connected with Electrodes for Arc Lamps.
|
|
GB190520609A
|
|
Improvements in Electric Arc Lamps of the Inclined Carbon Type.
|
|
US854296A
|
|
Electromotor of the induction type.
|
|
GB190421892A
|
|
Improvements in Electric Arc Lamps.
|
|
GB190402930A
|
|
Improvements in Electro-motors of the Induction Type
|
|
GB190327199A
|
|
Improvements in Electric Arc Lamps.
|
|
GB190304557A
|
|
Improvements in or connected with Electric Arc Lamps.
|
|
GB190302609A
|
|
Improvements in or connected with Electric Arc Lamps.
|
|
GB190119757A
|
|
A New or Improved Method of Controlling Electric Arc Lamps
|
|
GB190012709A
|
|
Improvements in Electric Arc Lamps.
|
|
GB189706825A
|
|
Improvements in connection with the Supply of Current to and Governing Arc Lamps.
|
|
GB189623127A
|
|
Improvements in or in connection with Arc Lamps.
|
|
GB189323239A
|
|
Improvements in connection with Arc Lamps.
|
|
CA370028A
|
|
Mechanical hammer
|
