|
US1162386A
|
|
Hen-coop.
|
|
US999582A
|
|
Walling of mines.
|
|
US1049135A
|
|
Device for propping mines.
|
|
GB190814273A
|
|
Improved Method of Walling, Timbering and Propping Mines.
|
|
US931466A
|
|
Prop for mines.
|
|
US881609A
|
|
Prop for mines.
|
|
GB190720896A
|
|
Improved Props for Mines.
|
|
GB190720276A
|
|
Improvements in Supports for Mine-galleries.
|
|
GB190712098A
|
|
Props for Mines.
|
|
GB190707108A
|
|
Props for Mines.
|
|
US854962A
|
|
Superstructure for narrow-gage railways.
|
|
GB190619522A
|
|
Improvements in the Permanent Way of Narrow Gauge Portable & like Railways.
|
|
GB190324463A
|
|
Improvements in and relating to Skittle-alleys
|
|
GB189913012A
|
|
An Improved Switch or Shunting Plate for Railways.
|
|
US647275A
|
|
Railway switch-plate.
|
