Jacob's rod

ریشه

Named after Jacques Besson, a 16th-century French mathematician and inventor who described such an instrument.

مثال

• The surveyor used Jacob's rod to measure the distance.
• Jacob's rod is an essential tool in surveying.
• He adjusted the Jacob's rod to get a precise measurement.

ترکیب‌های رایج

Use Jacob's rod Adjust Jacob's rod Jacob's rod measurement