Abney level

ریشه

Named after Sir William de Wiveleslie Abney, an English astronomer and chemist, who invented it.

مثال

• The surveyor used an Abney level to measure the slope of the hill.
• The Abney level is a useful tool in topographic surveying.
• He adjusted the Abney level to get an accurate reading of the angle.

ترکیب‌های رایج

Use an Abney level Adjust the Abney level