Definition of rafter level in English:

rafter level

noun

US historical

A levelling instrument consisting of an A-frame made of long spars of wood with a pendulum suspended from the apex, used to ascertain the differences of level in a piece of land.

Late 18th century; earliest use found in George Washington (1732–1799), revolutionary army officer and president of the United States of America.

noun

US historical

A levelling instrument consisting of an A-frame made of long spars of wood with a pendulum suspended from the apex, used to ascertain the differences of level in a piece of land.

Late 18th century; earliest use found in George Washington (1732–1799), revolutionary army officer and president of the United States of America.

单词	rafter level
释义	Definition of rafter level in English: rafter level noun US historical A levelling instrument consisting of an A-frame made of long spars of wood with a pendulum suspended from the apex, used to ascertain the differences of level in a piece of land. Origin Late 18th century; earliest use found in George Washington (1732–1799), revolutionary army officer and president of the United States of America. Definition of rafter level in US English: rafter level noun US historical A levelling instrument consisting of an A-frame made of long spars of wood with a pendulum suspended from the apex, used to ascertain the differences of level in a piece of land. Origin Late 18th century; earliest use found in George Washington (1732–1799), revolutionary army officer and president of the United States of America.
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