2-652-869 - The Print Collector/Heritage Images

'They were seen to fall evenly', c1918. In 1589 the Italian scientist Galileo Galilei (1564-1642) dropped two balls of different masses from the Leaning Tower of Pisa to demonstrate that their time of descent was independent of their mass. From Story-Lives of Great Scientists, by F. J. Rowbotham [Wells Gardner, Darton & Co. Ltd., London, c1918]. (Colorised black and white print).