by which means the auger and chisel are raised and lowered. Similar letters refer to the same parts in each. A is the stuff in which the mortise is to be cut, and B, the base of the machine on ...

It can be cut by hand with a mallet and mortising chisel, or mechanically with a mortising machine and a hollow chisel bit. If you don’t have those tools, a mortise can also be made with a drill ...