The 3rd Edition of Tyndall 's book Sound , published in 1875 , details his research work on the acoustic transparency of the atmosphere .
`` Tyndall 's own presentation of his `` '' researches on the acoustic transparency of the atmosphere '' '' is in the 3rd edition ( 1875 ) of his book Sound , Chapter VII.An index of 19th century scientific research journals has John Tyndall as the author of more than 147 papers , with practically all of them dated between 1850 and 1884 , which is an average of more than four papers a year over that 35-year period . ''
John Tyndall