|
GB191302805A
|
|
Improvements in and relating to Lixiviating Apparatus for Ores and other Material.
|
|
GB191302806A
|
|
Improvements in and relating to Filtering or Dehydrating Machines.
|
|
US968265A
|
|
Roasting-furnace.
|
|
US954466A
|
|
Apparatus for recovering values from ore solutions.
|
|
US926289A
|
|
Process for desulfurizing and agglomerating ores.
|
|
US911614A
|
|
Twyer for blast-furnaces and converters.
|
|
US908425A
|
|
Ore-roaster.
|
|
GB190125864A
|
|
Improvements in Bearings for Engine Shafts.
|
|
GB190125865A
|
|
Improvements in Fly-wheels.
|
|
GB190101741A
|
|
Improvements in Speed Adjusting Devices for Fluid Pressure Engines.
|
|
GB190023345A
|
|
Improvements in Oil Pumping Apparatus.
|
|
GB190021299A
|
|
Improvements in Fluid Pressure Engines
|
|
GB190021298A
|
|
Improvements in Valve Gear for Fluid Pressure Engines
|
|
US643537A
|
|
Mining-machine.
|
