190 List of Patents. 



29. To Peter Spence, of Pendleton, Manchester, manufacturing che- 

 mist, ** improvements in the manufacture of alum and certain alkaline 

 salts, and in the manufacture of cement, part of which improvements are 

 applicable in obtaining volatile liquids." — 7th November 1850. 



30. To Alfred George Anderson, of Great Suffolk Street, in the 

 county of Surrey, soap-manufacturer, " improvements in the treatment 

 of a substance produced in soap-making, and its application to useful 

 purposes." — 7th November 1850. 



31. To John M'Nicoll, of Liverpool, in the county of Lancaster, en-» 

 gineer, " improvements in machinery for raising and conveying weights." 

 —7th November 1850. 



32. To John Lienan junior, of Wharf Road, City Road, in the 

 county of Middlesex, merchant, '* improvements in purifying or filtering 

 oils and other liquids." — 7th November 1850. 



33. To John Tatham and David Cheetham, of Rochdale, in the county 

 of Lancaster, machine-makers, " certain improvements in the manufac- 

 ture of cotton and other fibrous material, and fabrics composed of such 

 materials " — 7th November 1850. 



34. To Hugh Mair, of Ingram Street, in the city of Glasgow, North 

 Britain, manufacturer, " improvements in certain classes of figured mus- 

 lins, and in the machinery or apparatus employed in the manufacture or 

 production thereof, whicb improvements, or parts thereof, are applicable 

 to harness-weaving generally." — 11th November 1850. 



35. To George Hurwood, of Ipswich, in the county of Suffolk, en- 

 gineer, " improvements in grinding corn and other substances." — 11th 

 November 1850. 



36. To Evan Protheroe, of Austin Friars, in the city of London, 

 merchant, " improvements in the manufacture of oxide of zinc, and in 

 making paints from oxide of zinc ;" being a communication from Stanilas 

 Tranquille Modesto Sorel, of Paris, engineer. — 11th November 1850. 



37. To Rodolphe Helbronner, of Regent Street, in the county of 

 Middlesex, " improvements in preventing the external air and dust and 

 noise from entering apartments ;" being a communication. — 11th Novem- 

 ber 1850. 



38. To James Samuel, of Willoughby House, in the county of Middle- 

 sex, civil- engineer, " certain improvements in the construction of railways 

 and steam-engines, and in steam-engine machinery." — 12th November 

 1850. 



39. To Theodore Cartali, of Manchester, in the county of Lancaster, 

 merchant, " certain improvements in the treatment or preparation of yarns 

 or threads for weaving, and in the manufacture of certain woven fabrics ;" 

 being a communication. — 13th November 1850. 



40". To John Clare junior, of Exchange Buildings, Liverpool, gentle- 

 man, " improvements in the manufacture of metallic casks." — 13th 

 November 1850. 



41. To Charles Bury, of Salford, in the county of Lancaster, manager, 

 " certain improvements in machinery or apparatus for preparing and 

 spinning, doubling, or twisting, silk-waste, cotton-wool, flax, or other 

 fibrous substances." — 13th November 1850. 



42. To Richard Clyburn, engineer, of the firm of D. M'Lean and Son, 

 of St George Street East, in the county of Middlesex, " improvements 

 in wheel-carriages ;" being a communication. — 14th November 1850. 



4*^. To John Tucker, of the Royal Dockyard, Woolwich, in the 



