A kind of clinometer consisting of a sighting tube, spirit level, and graduated scale.
〔测绘〕阿布尼水准仪
Example sentencesExamples
Participants will get hands on experience working with laser levels, hand levels, Abney levels and Clinometers.
They will also learn how to use an Abney level to measure tree height.
The equipment used consists of hand held Abney levels, tape measures and ranging poles.
The equipment used for monitoring includes Abney levels, ranging roles, tape measure and datasheets.
If you don't want to buy an Abney level and you wish to be accurate, you can use a homemade Boudreaux Level you can make from an art protractor from Wall-mart.
Origin
Late 19th century: named after Sir William Abney (1844–1920), English scientist.