bn:27268873n
Noun Concept
Categories: Construction surveying, Vertical position, Surveying instruments, British inventions, Optical instruments
EN
dumpy level  level  automatic level  builder's level  Contractors level
EN
A level is an optical instrument used to establish or verify points in the same horizontal plane in a process known as levelling. Wikipedia
English:
instrument
Definitions
Relations
Sources
EN
A level is an optical instrument used to establish or verify points in the same horizontal plane in a process known as levelling. Wikipedia
A device used to measure true horizontal or relative heights Wikipedia Disambiguation