A 1911 photograph of Thomas Edison holding an alkaline battery with his penned declaration about the invention's importance in transportation has sold for more than $31,000, believed to be a record for a signed Edison photo.<br /><br />RR Auction of Amherst, N.H., said the photograph was sold Wednesday night in an online auction for $31,554. Its estimated value was $5,000.<br /><br />"I believe time will prove that the Alkaline Storage battery will produce important changes in our present transportation systems," Edison wrote underneath the photo.<br /><br />Bobby Livingston, the company's vice president of sales and marketing, said the signature, the statement's content and the photo's excellent condition accounted for the high bid.<br /><br />http://www.rrauction.com
