On the economy of machinery and manufactures (1832)
Babbage, Charles, 1791-1871 · London : Charles Knight · leaf 79
ition by a long rope which is firmly fixed on the bank of the river near the top. An axis, having a wheel similar to the paddle- wheel of a steam-boat fixed at each end of it, is placed across the boat ; so that the two wheels and their connecting axis shall revolve rapidly, being driven by the…
Machinery -- Economic aspects · Manufactures
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
