"Metal bar" Quotes from Famous Books
... lever, L, is pivoted on a support, A. Passing through it at the forward end is a metal bar having at the top a knob, K, which can be grasped conveniently in the fingers; at the other a brass screw, O, which is normally pulled down against the contact, N, by the spiral spring, S. The contact M under K is in connection with the binding post ... — Things To Make • Archibald Williams
... crowbar or a poker on the wire. They should be dropped on the side from which the current is coming and not on the further side as the latter will not short circuit the current before it has passed through the patient's body. Drop the metal bar, do not place it on the wire or you will then be made a part of the short circuit and receive the current of ... — How Girls Can Help Their Country • Juliette Low |