books.google.com - Charles Wheatstone was one of the leading electrical engineers of the mid-nineteenth century. This fascinating biography celebrates the bicentenary of his birth, and draws on information about the family business as well as letters, including correspondence with Cooke and Faraday....http://books.google.com/books/about/Sir_Charles_Wheatstone_FRS.html?id=m65tKWiI-MkC&utm_source=gb-gplus-shareSir Charles Wheatstone FRS
