A SCIENTIFIC PHENOMENON
... At the offices of the Westinghouse Automatic Brake Company, Westminster, is being exhibited a working appara.tu, shewing the action ol the brake, and in addi. tinn is ttiewn & curious phenomenon, first observed at It is thus described By turning a tap a jet cf air, released from grea.t compression issuss from the nozz'e and this jet will stipport'two or three ba! ...