Download or read book Brownian Movement and Molecular Reality written by Jean Perrin and published by Courier Corporation. This book was released on 2005-01-01 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: Early studies by Einstein and Perrin provided some of the first evidence for the existence of molecules. Perrin, a Nobel Laureate, wrote this classic to explain his measurements of displaced particles of a resin suspended in water. It introduced the concept of Avogadro's number, along with other groundbreaking work. 1910 edition.