To maintain the external form of the envelope a smaller balloon, or Compensator, was placed inside the larger one.
"The Mastery of the Air"
William J. Claxton
"Deceleration Compensator adjusted for 12 G's, sir," reported Lieutenant Gunderson.
"The Lonely Ones"
Edward W. Ludwig
It was provided with a subsidiary balloon, called the "Compensator," and properly the idea of M. L. Godard, the function of which was to receive any expulsion of gas in ascending, and thus to prevent loss during any voyage.
"The Dominion of the Air"
J. M. Bacon