A tool employing a chamber with a colored liquid (usually alcohol, hence spirit) and an air bubble, used to determine a horizontal or vertical reference line
(İnşaat) A spirit level or bubble level is an instrument designed to indicate whether a surface is level or plumb. Different types of spirit levels are used by carpenters, stone masons, bricklayers, other building trades workers, surveyors, millwrights and other metalworkers
indicator that establishes the horizontal when a bubble is centered in a tube of liquid
A spirit level is a device for testing to see if a surface is level. It consists of a plastic, wood, or metal frame containing a glass tube of liquid with an air bubble in it
device filled with fluid and a bubble of air which is used to determine if a surface is flat