Juty 8 1903. Scientific American 37 … : S ¢ earl Grinding or milling machine, J. M. Olsson 793,391 panied by detailed working drawings showing various | qa et an Pad Stages of the work. This article is contained fh SCIEN- Gymmasiain apparatus support, A. J. 798,331 for The Prudential, and you TIFIC AMERICAN SUPPLEMENT, No. 1184. Price…
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