1831.] [ 403 ] 



PATENTS FOR MECHANICAL AND CHEMICAL INVENTIONS. 



New Patents sealed in February, 1831. 



To Jeremiah Grime, the younger, of 

 Bury, Lancaster, copper-plate engraver, 

 for inventing a method of dissolving 

 snow and ice on the trams or rail-ways, 

 in order that locomotive steam-engines 

 and carriages, and other carriages, may 

 pass over rail-roads without any obstruc- 

 tion or impediment from such snow or 

 ice. 21st February ; 6 months. 



To liichard Burgess, Northwick, 

 Chester, M.D., for inventing a drink for 

 the cure, prevention, or relief of gout, 

 gravel, and other diseases, which may be 

 also applied to other purposes. 21st 

 February ; 2 months. 



To Samuel Dunn, Southampton, engi- 

 neer, for a method of generating steam. 

 21st February ; fi months. 



To Richard Trevithick, Saint Aith, 

 Cornwall, for an improved steam-engine. 

 21st February ; 6 months. 



To Richard Trevithick, Saint Aith, 

 Cornwall, for a method or apparatus for 



heating apartments 21st February; 



6 months. 



To William Sneath, Ison Green, Not- 

 tingham, lace-maker, for certain im- 

 provements in, or additions to machinery 

 for making, figuring, or ornamenting 

 lace or net, and such other articles to 

 which the said machinery may be appli- 

 cable 21st February ; 6 months. 



To Richard Abbey, Walthamstow, 

 Essex, gent., for a new mode of prepar- 

 ing the leaf of a British plant, for pro- 

 ducing a healthy beverage by infusion. 

 21st February ; six months. 



To William Furnival, esq., Wharton, 

 Chester, for certain improvements in 

 evaporating brine 21st February; 6 

 months. 



To John Phillips, Arnold, Notting- 

 ham, for certain improvements on bri- 

 dles. 21st February ; 6 months. 



To Richard Williams, College Wharf, 

 Belvidere-road, Lambeth, Surrey, engi- 

 neer, for certain improvements on steam 

 engines. 28th February ; six months. 



To David Selden, Borough of Liver- 

 pool, county Palatine of Lancaster, 

 merchant, for certain improvements in 

 machinery used to give a degree of con- 

 sistency to, and to wind on to bobbins, 

 barrells, or spools, rovings of cottons, 

 and the like fibrous substances. 26th 

 February ; 6 months. 



To David Napier, Warren - street, 

 Fitzroy -square, and James and William 

 Napier, Glasgow, engineers, for certain 

 improvements in machinery for propel- 



ling locomotive carriages, 4th March ; 

 6 months. 



To Apsley Pellatt, Falcon Glass 

 Works, Holland - street, Blackfriars - 

 bridge, Surrey, glass manufacturer, for 

 an improved mode of forming glass 

 vessels and utensils, with ornamental 

 figured patterns impressed thereon. 

 9th 31arch ; 6 months. 



To Robert Stephenson, Newcastle- 

 upon-Tyne, Northumberland, engineer, 

 for an improvement in the axles and 

 parts which form the bearings at the 

 centre of wheels for carriages which are 

 to travel upon edge railways. llth 

 March ; 4 months. 



To Charles Wood, Macclesfield, Ches- 

 ter, manufacturer, for certain improve- 

 ments in machinery for the spinning of 

 cotton, silk, flax, wool, and other fibrous 

 substances of the like nature, as well as 

 for throwing, doubling, and twisting 

 threads and yarns made of the same ma- 

 terials. 1 1 th March ; 6 months. 



To William Peeke, Torquay, Torm- 

 sham, Devon, shipwright, and Thomas 

 Hammick, of the same place, shipsmith, 

 for certain improvements in rudder 

 hangings, and rudders for ships or ves- 

 sels. 21st March ; 6 months. 



To George William Turner, St. Mary 

 Magdalen, Bermondsey, Surrey, paper- 

 maker, for certain improvements in ma- 

 chinery or apparatus for making paper. 

 21st March ; 6 months. 



To Peregrine Phillips, jun., Bristol, 

 vinegar maker, for certain improvements 

 in manufacturing sulphuric acid, com- 

 monly called oil of vitrol. 21st March ; 

 6 months. 



To John and James Potter, Spiedly, 

 near Manchester, spinners and manufac- 

 turers, for certain improvements in ma- 

 chinery or apparatus applicable to the 

 spinning or twisting of cotton, flax, silk, 

 wool, and other fibrous materials. 21st 

 March ; 6 months. 



To George Royle, Walsall, Stafford, 

 whitesmith, for an improved method of 

 making iron pipes, tubes, or cylinders. 

 2 1st March; 6 months. 



List of Patents which having been granted 

 in the month of April, 1817, expire in 

 the present month of April, 1831. 



19. Edward Nicholas, Monmouth, 

 plough for covering with mould wheat when 

 sown. 



29. Antonio Joachim Friere Marrere, 

 London, machine for calculating and as- 

 certaining the longitude at sea. 



