Shop all optical levels from Johnson Level. A builder's level is used in the construction field to set up level points and to check elevations. It is an optical instrument used mainly in surveying and building but is also useful for transferring, setting, or measuring horizontal levels.
Also question is, what is a surveyor's transit?
A vernier compass has an adjustable scale that allows for the "setting off" of the magnetic declination and the compass can then directly read true north. The Transit and Theodolite. Transit. Theodolite. The transit and theodolite are used by the surveyor to measure both horizontal and vertical angles.
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