Show THE COLOR OF SOUND bolind how the tone of a trumpet influences the brain i we ve recognize the happiness of the well known analogy traced by a blind man between scarlet and the sound of a trumpet because those who can both see and hear accept the aptness of comparison c 0 m between the two forces wh which i h powerfully affect one the optic the th c other the auditory nerves but scarlet scarle t is not the exact analogue of a trumpet blast the sensation of color is imparted to the brain by means of vibratory waves communicated to the an all pervading medium ether that of sound soun d by similar waves communicated to the denser medium atmosphere if the alaio analogue gue b between scarlet let and a trumpet blast were 0 a atrue true one each should affect the sen so ri ra by means of vibration of a rapidity ra p id similar in proportion to that caused by other colors and tones tone F but that is not so says Black woods magazine the pitch of a tone increases with the number of vibrations in a given time the tone of bf a i trumpet is ia high because it causes relatively rapid sound waves caused by a ray of red light are few compared with those caused by other rys for the vibrations arising fro from m the red end of the spectrum amount only to about four hundred and fifty six billions in a second whereas those from the ahe violet end a mount amount to about six huri hundred dred aal sixty seven billionis so the blind man was vas only vaguely successful in comparing a lively sound with a vivid color |