List of Patents. 185 



manufacture of saline and metallic compounds ;" being a communica- 

 tion.— -April 10, 1852. 



13. To Thomas Barnett, of the town of Kingston-upon-Hull, in the 

 county of the same town, grocer, "improvements in machinery for grind- 

 ing wheat and other grain." — April 13, 1852. 



14. To Charles William Siemens, of Birmingham, in the county of 

 Warwick, engineer, " an improved fluid meter, partly his own inven- 

 tion."— April 15, 1852. 



15. To Richard Roberts, of Manchester, in the county of Lancaster, 

 engineer, " improvements in machinery or apparatus for regulating and 

 measuring the flow of fluids ; also for pumping, forcing, agitating, and 

 evaporating fluids, and for obtaining motive power from fluids." — April 

 16, 1852. 



16. To William Whittaker Collins, of Buckingham Street, Adel- 

 phi, in the county of Middlesex, civil engineer, " certain improvements 

 in the manufacture of steel." — April 16, 1852. 



17. To John Flack Winslow, of the city of Troy, in the State of 

 New York, and United States of America, iron-master, " improvements 

 in the machinery for blooming iron." — April 16, 1852. 



18. To William Hyatt, of Old Street Road, in the county of Middle- 

 sex, engineer, " improvements in obtaining and applying motive power." 

 —April 19, 1852. 



19. To Martyn John Roberts, of Woodbank, Gerard's Cross, Bucks, 

 Esquire, " improvements in galvanic batteries, and in obtaining chemical 

 products therefrom." — April 19, 1852. 



20. To Francois Joseph Beltrung, of Paris, in the Republic of 

 France, engineer, " improvements in the manufacture of bottles and 

 jars of glass, clay, gutta percha, or other plastic material, and caps and 

 stoppers for the same, and in pressing and moulding the said materials." 

 —April 19, 1852. 



21. To John Walter de Longueville Giffard, of Serle Street, Lin- 

 coln's Inn, barrister-at-law, u improvements in fire-arms and projec- 

 tiles."— April 19, 1852. 



22. To William Gorman, of Glasgow, in the county of Lanark, North 

 Britain, engraver, " improvements in obtaining motive power ; which 

 improvements, or parts thereof, are applicable for measuring and trans- 

 mitting aeriform bodies and fluids." — April 20, 1852. 



23. To William Edward Newton, of the Office for Patents, 66 

 Chancery Lane, in the county of Middlesex, civil engineer, " improve- 

 ments in the method of, and apparatus for, indicating and regulating the 

 heat and the height and supply of water in steam-boilers ; which said im- 

 provements are applicable to other purposes, such as indicating and regu- 

 lating the heat of buildings, furnaces, stoves, fire-places, kilns, and ovens, 

 and indicating the height, and regulating the supply of water, in other 

 boilers and vessels ;" being a communication. — April 23, 1852. 



VOL. LIII. NO. CV. — JULY 1852. N 



