The London Journal of Arts, Sciences, and Manufactures, and Repertory of Patent Inventions, Band 40

acetic acid action alumina apparatus application April-6 months arrangement axle bitumen bleaching boilers caissons carried civil engineer color comb combination conj connected construction county of Middlesex crank cylinder December-6 months described dextrine Edward Newton effect electric telegraph employed engine Exhibition fabrics flax flues frame furnace George Fergusson gutta-percha heat horizontal improvements in machinery Impts inches invention consists iron January-6 months lever lime machine malt manner manufacture March-6 months material means ments metal Middlesex mode months for inrolment motion obtained Office for Patents opening operation ordinary oxide papier-maché pass patent patentee claims phosphorus pinion pipe piston placed plate present pressure produced purpose quantity rails railway ratchet-wheel roller screw Sealed 8th shaft shew shewn at fig side sleepers slide specific gravity steam substances sugar sulphuric acid surface teeth temperature tion tube valve vertical vessel wheel wire wool wort zinc