They both laughed and fell to work again, the boy explained his notions of the difficult art of Mortising.
"The Ship of Stars"
Arthur Thomas Quiller-Couch
3225 represents a Mortising machine for the hubs of wheels.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose
3226 represents a Mortising machine in which the Mortising tool consists of a hollow square chisel containing an auger, and having at its sides openings through which the cuttings escape.
"Modern Machine-Shop Practice, Volumes I and II"
Joshua Rose