Description
The instrument has been used since the time of
the ancient Egyptians by bricklayers, masons, and carpenters to make sure
that their constructions are perfectly upright.
A plumb-bob or a plummet
is a weight, normally has a pointed tip, its supposed to be suspended from a string
and used as a vertical reference line, or plumb-line. Finally you have a digital version
of a Plumb, if you normally need one.. then this is the perfect tool for you,
