It is built of wood, the various native timbers being happily combined.
At Fallen Timbers, Ohio (Aug.
All of these timbers are used for furniture and similar purposes.
In thickness, whereas in the top-slide system the height of the floor is limited by the length of the timbers used in the working-rooms, rarely over S or Io ft.
Where each floor is timbered by itself with light timbers, as is the practice on the continent of Europe, the consolidation of the rock-filling under pressure gives rise to considerable subsidence of the unmined ore, which has frequently settled 20 ft.