Furniture design and age dating
It can be made from many materials, including metal, plastic, and wood.
Furniture can be made using a variety of woodworking joints which often reflect the local culture.
In 1870, he sold the rights to an improved version of the patented machine to a group of investors who formed the Knapp Dovetailing Co. The investors proceeded to make further refinements in the machine and actually put it into production in a factory in 1871 where it proved to be a technological miracle.
The joint he came up with has several colloquial names—scallop and dowel, pin and scallop, half-moon—and all describe the new joint, which looks like a peg in a half-circle on the side of a drawer.
If you look at much old furniture, you undoubtedly have seen this unusual-looking arrangement and wondered what the heck it was. In real life, the Knapp joint is often obscured by wear and dirt on the drawer sides.
Where a skilled cabinetmaker could turn out 15 or 20 complete drawers a day—on a really good day—the machine, on any day, could turn out 200 or more and work more than one shift if required.
The drawer department had finally caught up with the rest of the factory.