wye level meaning

[Architecture]

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.

wye level

[Engineering]
See Y level

• wye-level:     see under Y
• wye:    Noun: wye &nb ...
• wye-wye circuit:    [Electronics]A cir ...

Examples

1. The route was surveyed using a Wye level ( an early version of a dumpy level ), again the first recorded use in America.
2. 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.