Historical information

A plumb bob or plummet is a weight suspended from a string or rod and used as a vertical reference line or plumb line. It is the vertical equivalent of the water level. It is used to ensure constructions are plumb or level. It has been in use since Egyptian times and is also used in surveying. It is still in use today. This plumb bob weighs 910 grams and was probably used in the building trade.

Significance

This item is retained as an interesting example of a trade tool from the past.

Physical description

This is a brass weight with a bulbous-shaped body rounded on the bottom, a slender neck and an enclosed top. The top has a metal ring to which is attached a metal rod with a ring at the end. The item is a little stained.