The design of Rhetoric is to remove those Prejudices that lie in the way of Truth, to Reduce the Passions to the Government of Reasons; to place our Subject in a Right Light, and excite our Hearers to a due consideration of it.
It may well be said that the answer to the question: Of what do the cosmic rays in fact consist before they produce their familiar secondary radiation phenomena in the earth's atmosphere? can only be obtained from numerous measurements in the stratosphere.