Historians of domestic life or the History of Technology use it for establishing context for their research.
It is not known if the designs in it are his own or copies from others, since (unlike Chippendale) he was not famous during his life and no piece of furniture can be traced with certainty back to his workshop.
The neoclassical designs in it usually have tapered legs and a variety of contrasting veneers.
They also cover clock cases, library steps and other objects which came out of the cabinet makers' shop of that era.
One of the most common editions was made in elephant folio size by the Towse publishing company of New York, in 1942.