Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . Temporary Binder/or Letters. Fig. 3527, in which the papers are pressed upona bottom board by a springfollower above. Fig. 3529. Fapf r- Eiia

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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering