|
GB190817730A
|
|
Improvements in Alternating Current Electric Energy Integrating Meters
|
|
GB190809254A
|
|
Improvements in Electrically Integrating Meters
|
|
GB190603061A
|
|
Improvements in Silencing and Cooling the Exhaust of Internal Combustion Engines and in Apparatus therefor
|
|
GB190421622A
|
|
Improvements in Electric Ignition for Internal Combustion Engines and in Apparatus therefor
|
|
GB190406874A
|
|
Improvements in Marine Hydraulic Propellers
|
|
US688650A
|
|
Apparatus for measuring electrical energy.
|
|
GB190016225A
|
|
Improvements in Measuring Electrical Energy and in Apparatus therefor.
|
|
US643413A
|
|
Electromagnetic variable-speed and clutch gearing.
|
|
GB189719638A
|
|
Improvements in and connected with Electrical Storage Batteries and Plates therefor.
|
|
GB189628314A
|
|
Improvements in Electrical Storage Batteries and Cells.
|
