504 List of Patents. 



surfaces for printing, and for certain modes of preparing surfaces pre- 

 viously to the design being delineated upon them." — 23d May 1843. 



2Q. To Angier March Perkins, of Great Coram Street, in the county 

 of Middlesex, engineer, "^improvements in the manufacture and melting 

 ibf iron, which improvements are applicable for evaporating of fluids and 

 disinfecting oils."— 25th May 1843. 



27. To William Brown, of the city of Glasgow, "improvements in 

 the manufacture of porcelain, china, pottery, and earthenware, and which 

 -improvements are also in part applicable to the manufacture of paper, 

 and to the preparation of certain pigments or painter colours." — 26th 

 May 1843. 



28. To Perceval Moses Parsons, of Stamford Street, in the county of 

 Surrey, civil engineer, "certain improvements in steam-engines and 

 boilers, and in motive machinery connected therewith." — 31st May 1843. 



29. To Alfred Brewer, of Surrey Place, Old Kent Road, in the 

 •county of Surre}'-, wire-worker and felt manufacturer, " improvements 

 in machinery for manufacturing paper, being a communication from 

 abroad." — 1st June 1843. 



30. To Charles Clark, of No. 1. Great Winchester Street, in the city 

 of London, merchant, " an improved p}TO-hydro pneumatic apparatus, 

 or means of generating, purifj^ing, and condensing steam and other va- 

 pours, and of extracting from vegetable substances the soluble portions 

 thereof; as also the application of parts of the said apparatus to other 

 heating, evaporating, and distilling purposes." — 3d June 1843. 



31. To John Tappan, of Fitzroy Square, in the county of Middlesex, 

 gentleman, being a communication from abroad, " certain improvements 

 in machinery for preparing and spinning hemp and such other fibrous 

 materials as the same is applicable to." — 5th June 1843. 



32. To Joseph Beaman, of Smethwick, in the county of Stafford, iron- 

 master, '' improvements in the manufacture of malleablB iron." — 7th June 

 1843. 



32. To James Boydell junior, of Old Farm Iron Works, near Dudley, 

 ironmaster, '' improvements in manufacturing bars of iron with other 

 metals." — 7th June 1843. 



34. To Robert Alexander Kennedy, of Manchester, in the county of 

 Lancaster, cotton-spinner, " certain improvements in machinery for 

 grinding or sharpening cards used in carding cotton or other fibrous ma- 

 terials.' —7th June 1843. 



35. To Martyn John Roberts, Esq. of Bryn-y-caeran, in the county 

 of Carmarthen, Esq. " certain improvements in machinery for preparing, 

 spinning, and winding wool, cotton, flax, silk, or any other fibrous bo- 

 diesi^'— 8th June 1843. 



36. To Charles Hancock, of Grosvenor Place, in the county of Mid- 

 dlesex, artist, " certain improvements in printing cotton, silk, woollen, 

 and other fabrics." — 13th June 1842. 



37. To George Robins Booth, of Hanley, in the county of Stafford, 

 manufacturer and chemist, " a certain improved mode of applying heat 

 from various combustibles to manufacturing and other useful purposes." 

 —15th June 1843. 



