<h2>Babbage Difference Engine Number 2</h2> <img src="babbage.jpg" alt="Babbage Difference Engine"> <br> Babbage Difference Engine Number 2, reconstructed by Doron Swade, <a href="http://www.computerhistory.org/search/?q=babbage&submit.x=0&submit.y=0&site=chm_collection&client=chm_collection&output=xml_no_dtd">Computer History Museum</a>, 1999. <hr> <address> Frank da Cruz / <a href="http://www.columbia.edu/~fdc/">fdc@columbia.edu</a> / <a href="index.html">Columbia University Computing History</a> / April 2008 </address> </body></html>