List of English Patents. 195 



provements in the construction and fitting up of boats of various 

 descriptions." 

 April 28. To J. Wilk*, Surrey, for " an improvmentin apart or parts of the 

 apparatus for making paper by machinery." 

 To T. Petherick, Penfullick, in the parish of Tywardreath, Corn- 

 wall, for " machinery for separating copper, lead, and other ores 

 from earthy and other substances with which they are and may 

 be mixed, and which is more particularly intended to supersede 

 the operation now practised or used for that purpose, commonly 

 called Jigging. 

 May 4. To J. Walker, Middlesex, for " an improved cock for fluids." 



8. To H. R. S. Devenoye, Middlesex, for *' certain improvements in 



machinery for making bricks, communicated by a foreigner." 

 24. To M. Busk, printfield near Bonhill, by Dunbarton, North Britain, 

 calico-printer, for " certain improvements in machinery or appa- 

 ratus for printing calicoes and other fabrics." 

 June 3. To J. H. Bass, Middlesex, for " certain improvements in machi- 

 nery for cutting corks and bungs." 

 8. To J. Levers, New Radford Works, near the town of Nottingham, 

 for " certain improvements in machinery for making lace, com- 

 monly called Bobin-net." 

 11. To Dr W. T. Haycraft, Greenwich, for " certain improvements 

 in steam-engines." 

 To.G. V. Palmer, Worcester, for " a machine to cut and excavate 

 earth." 

 17. To T. Brunion, and T. J. Fuller, Middlesex, for " an improv- 

 ed mechanical power, applicable to machinery of different de- 

 scriptions." 

 29. To R. Hicks, surgeon, London, for " an economical apparatus or 

 machine to be applied in the process of baking, for the purpose of 

 saving materials." 

 To Dr E. Turner, Middlesex, and W. Shand, Esq. of the Bum, 

 in Kincardineshire, for " a new method of purifying and whiten- 

 ing sugar, or other saccharine matter." 

 To T. M. Poole, London, for " certain improvements in the appa- 

 ratus used for certain processes of extracting molasses or syrup 

 from sugar." 

 To S. Parker, London, bronzist, for " certain improvements in 

 producing the mechanical power from chemical agents, partly 

 communicated by a foreigner." 

 To S. Parker, London, bronzist, for " an improved lamp, partly 

 communicated by a foreigner." 

 July 1. To R. Roberts, Manchester, for " certain improvements in spin- 

 ning cotton or other fibrous substances." 

 To J. H ALIVE, Chell-house, Staffordshire, for " certain improve- 

 ments in the construction of, and machinery for, locomotive 

 ploughs, harrows, and other machines and carriages." 

 To J. H. Sadler, London, for ^^ certain improvements in looms." 



