Seal-en-grav′er's lathe.
A table hollowed out at one side, and having a treadle connected with the shaft of a pulley, which has belt connection with the quill of the engine a, fastened on its upper surface. b is a device for holding the tools, and near it is a cap for containing diamondpowder paste. See seal-Engrav-ing.Seal-engraver's lathe. |