List of Patents. 219 



provements in filtering and clarifying water and other liquids." — 30th April 

 1839. 



23. To William 1'ontifex of Shoe Lane, in the city of London, 

 coppersmith, for an invention of " improvements in apparatus or materials 

 employed in filtering and clarifying water and other liquids." — 30th April 

 1839. 



24. To James Smith of Peanston Works, in the parish of Kilmadock, 

 in the county of Perth, cotton-spinner, for an invention of " certain im- 

 provements in the machinery for spinning and twisting of wool and other 

 similar fibrous substances." — 30th A^jril 1839. 



25. To Thomas Baunabas Daft of Regent Street, in the county of 

 Middlesex, gentleman, for an invention of " certain improvements in ink- 

 stands, and in materials and ajjparatus for fastening and sealing letters." — 

 30th April 1839. 



26. To Elisha Haydok Collier, late of Boston, in the United States 

 of North America, but now of Globe Dock Factory, Rotherhithe, in the 

 county of Surrey, civil-engineer, for an invention of " improved machinery 

 for manufacturing nails." — 30th April 1839. 



27. To Mathew Heath of Furnival's Inn, gentleman, for an invention, 

 communicated by a foreigner residing abroad, of " improvements in clarify- 

 ing and filtering water, beer, wine, and other liquids." — 30th April 1839. 



28. To James Whitelaw of Glasgow, in the county of Lanark, North 

 Britain, engineer, for an invention of " an improved rotatory machine to be 

 worked by the pressure and reaction of a column of water, which machine 

 may be used as a steam-engine, also an improved water meter, and a 

 machine for raising water or other liquid by its centrifugal force." — l7th 

 May 1839. 



29. To William Watsok of Temple Street, in the county of Dublin, 

 gentleman, for an invention of " an improvement in the construction of 

 ships, and which improvement is also applicable to all kinds of sea-going 

 vessels ; and also certain improvements in the construction of boats and 

 other vessels intended to bo used on canals and inland navigations." — 20th 

 May 1839. 



30. To Joseph Amesbury of Burton Crescent, in the parish of St Pan- 

 eras, in the county of Middlesex, surgeon, for an invention of " a certain 

 apparatus, or an improvement or improvements in apparatus for the sup- 

 port of the human body."— 24th May 1839. 



31. To John liENrnEV of Weymouth Terrace, in the parish of Shore 

 Ditcli, and county of Middlesex, engineer and machinist, for an invention 

 of " certain improvements in the manufacture of hinges or joints, and in 

 the machinery employed therein." — 29th !May 1839. 



32. To John Bovd of College Street, South, and Hugh Fhancis Ren- 

 NiE of Glengall Street, both in the town of Belfast, and in the county of 

 Antrim, fla.\.-spinners, for an invention of" certain improvements upon the 

 spinning-frame used for spinning flax, hemp, and tow, upon the wet prin- 

 ciple."— 29th May 1839. 



33. To John Williamson Whittaker of Bolton, in tlio coiii.ty of Laa- 



