Labels:book | box | lp | person | pole | poster | trade name OCR: INDUSTRY Leon ardo's devices for improving the output and efficiency of METALROLLER industrial processes anticipated ideas that would not be deve loped until the Industrial Revolution his machine was designed to make sheets of tin Notice the two small rollers that sit on the main rollers and prevent them from buckling They ensure be the that way the smooth sheets across and of flat tin all will INDUSTRY "Mechanical science is most noble and useful above all others, for by means of it all animated bodies in motion perform their operations. 1996 SoftKey Multimedia Inc. subsidiary of SoftKey International Inc METAL ROLLER desi gned 9661 subsidiar
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