Technological histories

May 23, 2005 11:50 AM

Some technological histories - including Edison's Electric Pen, a History of the Atlantic Cable & Submarine Telegraphy, and Cox's 1907 Gold Changer.
posted by carter (1 comment total)

If you like that, you might like the Engines of Ingenuity site and radio program.
posted by euphorb at 1:19 PM on May 23, 2005