| 
                 | 
        |||||||
Brown - figure 190 | 
        |||||||
|---|---|---|---|---|---|---|---|
                
                
                     
                
                 Click to enlarge
             | 
            
                Description
                 A screw-clamp. On turning the handle the screw thrusts upward against the holder, which, operating as a lever, holds down the piece of wood or other material placed under it on the other side of its fulcrum.  | 
        ||||||
| Linked items | |||||||
  | 
        |||||||
| Permanent links | |||||||
| 
                 | 
        |||||||
| Data provider | |||||||
| 
                 | 
        |||||||
    





                