398 List of Patents. 



Road, in the same county, engineer, ** improved methods of obtaining 

 fresh water from salt water, and of concentrating sulphuric acid." — 13th 

 August 1851. 



22. To David Fakree Bower, of Hunslet, in the parish of Leeds, in 

 the county of York, manufacturing chemist, " certain improvements in 

 preparing rating, otherwise called rotting, and fermenting flax, line, grasses, 

 and other fibrous vegetable substances." — 20tli August 1851. 



23. To Dominique Julian, of Sorgues, France, " improvements in 

 extracting the colouring properties of madder, and in rendering useful 

 the water employed in such processes." — 25th August 1851. 



24. To George Jordan Firmin, of Lambeth Street, Goodman's Fields, 

 manufacturing chemist, " improvements in the manufacture of oxalate 

 of potass."— 25th August 1851. 



25. To Thomas Wilks Lord, of Leeds, in the county of York, flax 

 and tow machine maker, and George Wilson, director of the flax-works 

 of John Fergus, Esq., M.P., of Prelaws, in the county of Fife, North 

 Britain, *' a machine to open and clean tow and tow- waste from flax and 

 hemp, and other similar fibrous substances ; and an improved mode of 

 piecing straps and belts for driving machinery, and a machine for effect- 

 ing the same." — 27th August 1851. 



2Q. To Richard Fletcher, of Blackdowns Farm, in the parish of 

 Ebrington, in the county of Gloucester, farmer, " an improvement in 

 obtaining motive power." — 29th August 1851. 



27. To Henry Dircks, of Moorgate Street, in the city of London, 

 engineer, " improvements in the manufacture of gas, in gas burners, and 

 in apparatus for heating by gas." — 1st September 1851. 



28. To Richard Archibald Brooman, of the firm of J. C. Robertson 

 and Company, of 166 Fleet Street, in the city of London, patent agents, 

 " an improved method of manufacturing screws." — 8th September 1851. 



