The Practical Mechanic's JournalPractical Mechanic's Journal and Patent Office, 1857 - Technology |
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acid action adjusted antifriction applicable arrangement bevil boiler carbonic acid carriage carried cast centre chamber colour Communication connected connecting rods construction cylinder diameter disc effect elevation employed engine engraving exhibited fabrics feet fitted fixed flues frame fuel furnace gear Glasgow Glasgow-Improvements grooves groynes heat horizontal improved inches invention inventor iron John joint letters patent lever longitudinal lower machine machinery or apparatus manganese manner manufacture material means mechanical ment Messrs metal mode motion mould mould box obtained ordinary Paris-Improvements passed patent piece pinion pipe piston placed plain weaving plaintiff plate portion present pressure produced pulley purpose railway ratchet ratus Recorded roller screw shaft side slide spindle steam steam engine substances suitable supply surface tion tons tube upper valve vertical vessel warp weft weight wheel whilst William William E wire yarn zinc