380 List of English Patents. 



July 27. For Improved Roller Printing-Presses. To E. Cartwright, 

 London. 



July 29. For a New Swift for Winding Silk, S$c. To C. Jeffeeies 

 and E. Drake, Congleton. 



July 29. For a Method of Improving the Tones of Piano Fortes, Organs, 

 8$c. To W. Wheatstone, London. 



Aug. 5. For Improvements on Spinning Machines. To John Price, 

 Stroud. 



Aug. 5. For a New Mariner's Compass. To George Graydon, Bath. 

 Aug. 5. For a Method of Evaporating Fluids, for conveying Heat, &c. 

 To W. Johnson, Great Totham. 



Aug. 9. For Improvements in Propelling Vessels. To Jacob Perkins, 

 London. 



Aug. 11. For an Improved Method of Heating Woollen Cloths. To 

 John Fussell, Mells. 



Aug. 11. For a New Filter. To Herman Schroder. 

 Aug. 28. For a Method of Producing Intense Cold. To John Val- 

 lance, Brighton. See this vol. p. 148. 



Sept- 6. For Improved Methods of Propelling Ships. To James Ni- 

 vell and W. Busk, London. 



Oct. 1. For an Improved Method of Casting Steel. To H. W. Need- 

 ham, London. 



Oct. 1. For Improved Steam-Engines. To W. Foreman, Bath. 

 Oct. 7. For Improved Methods of Preparing Spelter or Zinc. To F. 

 Benecke, D. Towers Spears, and J. H. Spears, London. 

 Oct. 7. For an Improved Method of Generating Steam. To P. Alegre. 

 Oct. 7. For an Improved Flue for Furnaces, &c. To H. Jefferys, 

 Bristol. See this vol. p. 342. 



Oct. 7. For Improved Metal Casks or Barrels. To B. Dickinson, Lon- 

 don. 



Oct. 7. For Improved Fire Escapes. To Francis Richman, London. 

 Oct. 7. For Machinery for Making Velvet, fyc. To S. Wilson, Strea- 

 tham. 



Oct. 7. For an Improved Process for Making Vinegar. To John 

 Ham, West Coke. 



Oct. 7. For Improved Machinery for Printing Calicoes, §c. To 

 Matthew Bush, Westham. 



Oct. 7- For Transverse Spring Slides for Trumpets, &c. To John 

 Shaw, Milltown- 



Oct. 7- For Improved Shoes for H orses, S;c. To J. T. Hodgson, Lam- 

 beth. 



Oct. 14. For Improved Machinery for Spinning Flax, §c. To Phillip 

 Chell, London. 



Oct- 14- For Improved Machinery for Spinning Cotton and Wool To 

 J. G. Bodnier, Manchester. 



Oct. 14 For Improvements on Wheeled Carriages. To James Gun, 

 London. 



