wye level meaning
A surveyor's leveling instrument having a telescope and attached spirit level, mounted in Y-shaped supports which permit it to be lifted and reversed, end for end; it is used in the direct measurement of differences in elevation.
See Y level
- wye-level: see under Y
- wye: Noun: wye &nb ...
- wye-wye circuit: [Electronics]A cir ...
- The route was surveyed using a Wye level ( an early version of a dumpy level ), again the first recorded use in America.
- A case containing battle-worn surveying flags, Wye levels, protractors, alidades and other surveying equipment that only a construction worker could truly love gives way to an exhibit room containing about 50 anti-aircraft cannon, mortar tubes and machine guns of all nations and vintages.