1830.] 



359 ] 



PATENTS FOR MECHANICAL AND CHEMICAL INVENTIONS. 



New Patents sealed in July, 1830. 



To John Ericsson, New-road, engi- 

 neer, for his improved engine for com. 

 municating power for mechanical pur- 

 poses 24th July ; 6 months. 



To Abraham Garnett, Esq., Demarara, 

 for certain improvements in manufactur- 

 ing sugar. 24th July ; 6 months. 



To Samuel Roberts, Park Grange, near 

 Sheffield, silver-plater, for his improve- 

 ments in plating or coating of copper, or 

 brass, or mixture of the same with other 

 metal or materials with two metals or 

 substances upon each other, as also a 

 method of making such kind of articles 

 or utensils with the said metal when so 

 plated, as have hitherto been made either 

 entirely of silver, or of copper, or brass, 

 or of a mixture of copper and brass, 

 plated or coated with silver solely 26th 

 July ; 2 months. 



To Richard Ibotson, Poyle, Stanwell, 

 paper-manufacturer, for improvements 

 in the method for separating the knots 

 from paper stuff, or pulp, used in the 

 manufacture of paper 29th July; 4 

 months. 



To John Ruthven, Edinburgh, engi- 

 neer and manufacturer, for his improved 

 machinery for navigating vessels and 

 propelling of carriages. 5th August ; 6 

 months, 



To James Down, Leicester, surgeon, 

 for improvements in making gas for 

 illuminations, and in the apparatus for 

 the same 5th August ; 6 months. 



To John Street, Esq., Clifton, Glou- 

 cester, for a new method of obtaining a 

 rotatory motion by water-steam, or gas, 

 or other vapour, being applicable also to 

 the giving blast to furnaces, forges, and 

 other purposes, where a constant blast 

 is required 5th August ; 2 months. 



To William Dobree, gentleman, Ful- 

 ham, for an independent safety -boat of 

 novel construction. 5th August ; 6 

 months. 



To William Lane, Stpckport, Chester, 

 cotton-manufacturer, for his improve- 

 ments in machines which are commonly 

 known among the cotton-spinners by the 

 names of roving-frames, or cove-frames, 

 or bobbin and fly -frames, or jack-frames. 

 5th August ; 4 months. 



To Thomas Hancock, Goswell-mews, 

 Goswell-road, water-proof-cloth-manu- 

 facturer, for improvements in certain 

 articles of dress or wearing apparel, 

 fancy ornaments and figures, and in the 

 method of rendering certain manufac- 

 tures and substances in a degree or en- 

 tirely impervious to air and water ; and 

 of protecting certain manufactures and 



substances from being injured by air, 

 water, or moisture. 5th August ; 2 

 months. 



To William Mallet, Marlborough,- 

 street, Dublin, iron-manufacturer, for 

 improvements in constructing certain 

 descriptions of wheelbarrows 5th Au- 

 gust ; 6 months. 



To Charles Shiels, Liverpool, mer- 

 chant, for certain improvements in the 

 process of preparing and cleansing rice. 

 5th August ; 6 months. 



To John Pearce, Tavistock, Devon, 

 ironmonger, for an improved method of 

 making and constructing wheels, and in 

 the application thereof to carriages. 

 5th August ; 6 months. 



To jEneas Coffey, Dock Distillery, 

 Dublin, distiller, for certain improve- 

 ments in the apparatus or machinery 

 used in the process of'brewingand distil- 

 ling 5th August ; 6 months. 



To Marmaduke Robinson, Great 

 George-street, Westminster, navy agent, 

 for certain improvements in the making 

 and purifying sugars 5th August; 6 

 months. 



To Robert Clough, Liverpool, ship, 

 broker, for an improved supporting block, 

 to be used in graving docks and other 

 purposes 5th August ; 6 months. 



TD Sir Charles Webb Dance, Herts- 

 bourne Manor Place, Bushy, Hertford, 

 Knight, Lieutenant-Colonel, for his im- 

 provements in packing and transporting 

 goods 5th August ; 6 months. 



To Samuel Smith, Princess-street, 

 Leicester-fields, gunmaker, for his in. 

 vention of a new nipple, or touch-hole, 

 to be applied to fire-arms for the purpose 

 of firing the same by percussion, and a 

 new cap or primer for containing the 

 priming by which such fire-arms are to 

 be fired 9th August ; 2 months. 



To William Palmer, gentleman, Wil- 

 son-street, Finsbury-square, for his im- 

 provements in making candles. .10th 

 August ; 6 months. 



John Law ranee, Birmingham, silver, 

 smith, and William Rudder, Gentleman, 

 Ege, Gloucester, for his improvements 

 in saddles and girths by an apparatus 



affixed to either of them 10th August ; 



6 months. 



To Thomas Ford, Canonbury-square, 

 Islington, Middlesex, chemist, for his 

 having invented certain improvements 

 in the medicine for the cure of coughs, 

 colds, asthmas and consumptions, known 

 by the name of " Ford's Balsam of 

 Horehound." 12th August ; 6 months. 



To John Knowles, Farhain, Surrey, 

 hop-planter, for his having found out or 

 invented a certain instrument or machine 



