|
US725222A
|
|
Self-propelled vehicle.
|
|
US725223A
|
|
Variable-speed gear.
|
|
GB190200919A
|
|
Improvements in or relating to Variable Speed Gear.
|
|
GB190124600A
|
|
Improvements in or relating to Self-propelled Vehicles.
|
|
GB190109452A
|
|
Improvements in or relating to Exhaust Silencing.
|
|
GB190009193A
|
|
Improvements in or relating to Variable Speed Gear.
|
|
GB189614852A
|
|
Improvements in the Manufacture of Disinfecting, Deodorizing, and Bleaching Agents, and in Apparatus therefor.
|
|
GB189513537A
|
|
A Process for Precipitating Gold and other Precious Metals from Solutions Used for Extracting such Metals from their Ores.
|
|
GB189513536A
|
|
Improvements in Treating Slimes from Ores of the Precious Metals.
|
|
GB189425016A
|
|
Process of Extracting Precious Metals from their Ores.
|
|
GB189316219A
|
|
Improvements in Machines or Apparatus for Pulverizing or Reducing Gold Bearing Quartz or Ores or other Hard Substances.
|
|
CA18290A
|
|
Flour dressing machine
|
|
CA36848A
|
|
Apparatus for separating metals from ores
|
|
CA18291A
|
|
Cockle machine
|
|
CA36847A
|
|
Grinding apparatus for ores, etc.
|
