1N() List of Fa tents. 



24. To Alfred Vincent Newton, of the Office for Patents, 66 Chan- 

 cery Lane, in the county of Middlesex, mechanical draughtsman, " im- 

 provements in the manufacture of lenses ;" being a communication. — 

 April 26, 1852. 



25. To Matthew Wilwin Sears, of 36 Burton Crescent, in the pa- 

 rish of St Pancras, in the county of Middlesex, commission agent, " the 

 improved construction of guns and cannons, and manufacture of cartridges 

 for the loading or charging thereof." — April 26, 1852. 



26. To Stewart M'Glashan, of Edinburgh, Scotland, sculptor, " the 

 application of certain mechanical powers to lifting, removing, and pre- 

 serving trees, houses, and other bodies." — April 28, 1852. 



27. To Thomas Bell, of Don Alkali Works, South Shields, " im- 

 provements in the manufacture of sulphuric acid." — April 28, 1852. 



28. To Alfred Vincent Newton, of the Office for Patents, 66 Chan- 

 cery Lane, in the county of Middlesex, mechanical draughtsman, " an 

 invention for preventing the incrustation of steam-boilers ; which inven- 

 tion is also applicable to the preservation of metals and wood." — April 

 28, 1852. 



29. To Alfred Vincent Newton, of the Office for Patents, 66 Chancery 

 Lane, in the county of Middlesex, mechanical draughtsman, " improve- 

 ments in the method of manufacturing, and in machinery to be used in 

 the manufacture of wood-screws, part of which improvements is applicable 

 to the arranging and feeding of pins and other like articles ; and also 

 improvements in assorting screws, pins, and other articles of various 

 sizes ;" being a communication. — April 30, 1852. 



30. To George Frederick Muntz Jun., of Birmingham, "improve- 

 ments in the manufacture of metal tubes." — May 3, 1852. 



31. To William Gillespie, of Torbane Hill, in the county of Lin- 

 lithgow, Scotland, " an improved apparatus, instrument, or means for 

 ascertaining or setting off the slope or level of drains, banks, inclines, or 

 works of any description, whether natural or artificial, or under land or 

 water."— May 5, 1852. 



32. To William Thomas, of Exe Island, in the county of Devon- 

 shire, engineer, " certain improvements in the construction of apparatus 

 and machinery for economising fuel in the generation of steam, and in 

 machinery for propelling on land and water." — May 5, 1852. 



33. To Julian Bernard, of Guilford Street, Russell Square, in the 

 county of Middlesex, gentleman, " improvements in the manufacture of 

 leather or dressed skins, of materials to be used in lieu thereof, of boots 

 and shoes, and in materials, machinery, and apparatus connected with, 

 or to be employed in such manufactures." — May 10, 1852. 



34. To John Campbell, of Borofield, in the county of Renfrew, North 

 Britain, bleacher, " improvements in the manufacture and treatment or 

 finishing of textile fabrics and materials, and in the machinery or appa- 

 ratus used therein." May 10, 1852. 



