192 List of Patents. 
civil-engineer, “ certain improvements in machinery or apparatus for 
hewing, dressing, splitting, breaking, stamping, crushing, and pressing 
stone or other materials.”—27th November 1844. 
34. To Davin Avcp, engineer, of Dalmarnock Road, and AnpREw 
Autp, engineer, of No. 78 West Street, Tradestown, both in Glasgow, 
in the county of Lanark. “‘ an improved method or methods of regulating 
the pressure and generation of steam in steam-boilers and generators.’”’— 
29th November 1844. 
35. To Cuartes Watterson, of the firm of MacGuire, Watterson, 
and Co., of Manchester, in the county of Lancaster, soap manufacturers, 
“certain improvements in the manufacture of soap.”—9th December 
1844. 
36. To Louis JosepH Watieranp, of Basing Lane, in the city of 
London, merchant, being a communication from abroad, ‘‘ improvements 
in dyeing or staining various kinds of fabrics.” 16th December 1844. 
37. To AtexanpEeR Turngutt, of No, 48 Russell Square, in the 
county of Middlesex, doctor of medicine, ‘‘ a new mode or method of 
more expeditious y and effectually tanning hides and skins, and of ex- 
tracting and separating the catechnic acid from the tannin acid, in the 
catechu or terra japonica used in tanning.’”’—18th December 1844. 
38. To Henry Cartwrieut, of the Dean, near Broseley, in the 
county of Salop, farmer, “‘ certain improvements in the construction of 
paddle-wheels.”—20th December 1844, 
