|
GB124135A
|
|
Improvements in or in connection with Engineers Tool Grinding Machines.
|
|
GB191512923A
|
|
Improvements in Means for Turning High Explosive Shells.
|
|
GB191511846A
|
|
Improvements in Means for Supporting Pit Cages.
|
|
GB191401708A
|
|
Improvements in Stop Block Apparatus for use on Railroads.
|
|
CA169338A
|
|
Conveyer for coal
|
|
GB191114879A
|
|
Improvements in Conveyors or Screens for Coal and other Minerals or Materials.
|
|
GB191015329A
|
|
Improvements in Conveyors or Screens for Coal and other Minerals or Materials.
|
|
GB190930126A
|
|
Improvements in or in connection with Automatic Rotary Coal Tipplers.
|
|
GB190930123A
|
|
Improvements in Conveyors or Screens for Coal and other Minerals or Materials.
|
|
GB190925826A
|
|
A Self-lubricating Runner or Pulley.
|
|
GB189712860A
|
|
Improved Construction of Links for Travelling or Carrying Belts.
|
|
GB189508614A
|
|
An Improved Mode of Making Pit Waggons or Tubs, Railway, Waggons, Water Tanks, Wheelbarrows, and Carts.
|
