plumb bob

How to use plumb bob in a sentence

• And at last he was dangling at the end of the rope like a plumb-bob.

  Hunters Out of Space | Joseph Everidge Kelleam

• He thought that a plumb bob dropped through the long axis of the rocket would form a right angle with the surface of Arzachel.

  First on the Moon | Jeff Sutton

• With a tape line, gimlet, and plumb-bob, a mechanic is fully equipped with tools to get his measurements.

  Elements of Plumbing | Samuel Dibble

• A plumb bob must be attached exactly in the center of the tripod head.

  The Boy Mechanic, Book 2 | Various

• Our surveying apparatus was a triangle and a plumb bob which we made ourselves.

  Then and Now | Robert Vaughn