Labels:book | person | pole | poster | press | reckoner | sky OCR: 5 NDUSTRY SCREW MAKING MACHINE Leonardo's devices for improving the output his clever device is a factory and efficiency machine for making screws Three industrial processes cog wheels turn three shafts of steel. The anticipated ideas that middle shaft is the rod being made into would not be screw by a cutting surface located in the developed until the cross -beam, while the other two shafts Indust trial Revolution ensure that it will be cut evenly The size of the wheels determine the pitch, or turns per inch, of the screw eonardo has drawn the under replacement more the threads machine wheels, per The inch which in bigger can the be the screw seen wheel, INDUSTRY "Though human ingenuity may make various inventions 1 will never devise anv inventions more beautiful nor more simple nor more ...
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