A New Calculating Machine.
Daily Alta California, 13 February 1857 We read in the Moniteur – “M. Thomas, of Colmar, has lately made the finishing improvements in the calculating machine, called the arithmometer, at which he has been working for upwards of thirty years. Pascal and Leibnitz, in the 17th century, and Diderot at a later period, endeavored to … [Read more…]