192 List of Patents. 



57. To IsAC Lewis Pulvermacher, of Vienna, engineer, ** improve- 

 ments in galvanic batteries, in electric telegraphs, and in electro- 

 magnetic and magneto-electric machines." — 2Sth November 1850. 



58. To GuiLLAUME Ferdinand de Douhet, of Clermont Ferrand, in 

 the Republic of France, gentleman, " certain improvements in the dis- 

 oxygenation, and the mutual reoxjgenation of certain bodies, and the 

 application of the products therefrom, either separately or simultaneously 

 employed to various useful purposes." — 28th November 1850. 



59. To George Benjamin Thorneycroft, of Wolverhampton, in the 

 county of Stafford, iron-master, " improvements in the manufacture of 

 crank axles." — 2d December 1850. 



60. To David Napier, and James Murdoch Napier, of the York 

 Road, Lambeth, in the county of Surrey, engineers, " improvements in 

 apparatus for separating fluid from other matter." — 2d December 1850. 



61. To David Auld, of the City of Glasgow, North Britain, engineer, 

 " certain improvements in steam-engines, and in the working of steam- 

 boilers or generators, and in apparatus connected therewith." — 2d 

 December 1850. 



^2. To Jean AiME Marnas, of Lyons, "improvements in the manu- 

 facture of indigo ;" being a communication. — 2d December 1850. 



63. To Peter Wood, of the Firm of Thomas Bury and Company, 

 dyers, calenderers, and finishers, Adelphi Works, Salford, in the county 

 of Lancaster, " improvements in figuring and ornamenting woven 

 fabrics and paper, and in machinery employed therein." — 4th December 

 1850. 



64. To William Melville, of Roebank Works, Lochwinnoch, in the 

 county of Renfrew, North Britain, calico printer, " certain improvements 

 in weaving and manufacturing, and printing carpets and other fabrics." 

 —6th December 1850. 



Q5. To Peter Armand Le Comte de Fontainemoreau, 4 South Street, 

 Finsbury, London, and also of 24 Boulevart Poissonierre, Paris, in 

 France, patent agent for inventions, " certain improvements in oscillating 

 engines ;" being a communication. — 7th December 1850. 



QQ. To Alfred Vincent Newton, of the Office for Patents, QQ 

 Chancery Lane, in the county of Middlesex, mechanical draughtsman, 

 " an improved composition applicable to the coating of wood, metals, 

 plaster, and other substances which are required to be preserved from 

 decay, which composition may be also employed as a pigment or paint ;" 

 being a communication. — 9th December 1850. 



67. To Thomas Deakin, of Balsall Heath, in the county of Worcester, 

 Esquire, " certain improvements in rolling metals, and in the manufac- 

 ture of metal tubes, also in apparatus and machinery in connection 

 therewith." — 11th December 1850. * 



68. To John George Taylor, of the city of London, merchant, 

 " certain improvements in dress and other pins, and in other dress 

 fastenings and ornaments." — 11th December 1850. 



69. To Robert Olddiss Bancks, of the firm of Bancks Brothers, of 

 Weirhouse Mill, Chesham, in the county of Bucks, and 20 Piccadilly, 

 London, paper makers and card makers, " improvements in the manu- 

 facture of paper."- 13th December 1850. 



70. To George Edward Derring, Lockleys, in the county of Herts, 

 Esquire, " improvements in the means of, and apparatus for, communi- 

 cating intelligence by electricity."- I7th December 1850. 



