12-21-2009, 07:18 AM
In 1609 two Dutch spectacle makers, Jansen and Lippershey, invented the telescope. The telescope has done great things for astronomy;. and astronomy has made possible the art of navigation; and upon navigation depends the great bulk of modern commerce. It would require very little application of Carlyle's historical method to make out a case that all modern history depended on these twin heroes inventing the telescope.