Also in 1817 he built a planing machine to allow the machining of flat surfaces.
From the en.wikipedia.org
He designed a special planing machine for planing the faces of the slide valves.
From the en.wikipedia.org
There is evidence that he had developed a rotary wood-planing machine but details of this are obscure.
From the en.wikipedia.org
The planing machine, the slotting machine and the shaping machine were developed in the first decades of the 19th century.
From the en.wikipedia.org
By 1871, the west river bank had twenty-three businesses including flour mills, woolen mills, iron works, a railroad machine shop, and mills for cotton, paper, sashes, and planing wood.