Show peculiar air waves ocular evidence of the existence ot waves and currents in the atmosphere Is obtained according to the french astronomer raymond by projecting on a screen a magnified image of the sun the first observation of this kind nas made by ventura the fo ceasing can e so adjusted as to bring out sharply the vibrations of the air in the form of markings which cross the sun s image A remar kabi regu larity and parallelism of the markings and consequently of the stream lines of the atmosphere is frequently ob served |