394 Jjist of Talents Jbr uew Inventions. 



their certain process for extracting arsenic from any of the 

 ores or other substances in which it is contained, in a purer 

 state than it is at present procured in this kingdom. — 13th 

 March, 



To George Dodd, of South Villa, Wandsworth, in the 

 county of Surry, engineer, for his certain improvements in 

 umbrellas, which render the same more portable and con- 

 venient. — l6th March. 



To William Robert Wale King, of Uni«n Court, Hoi- 

 born Hill, in the city of London, tiu-plate-woiker, for his 

 certain improvemenls in the application of heal to the pur- 

 poses of boiling water, and other fluids, and to other useful 

 purpo-ies; and of the apparatus for performing the same. — 

 22d March. 



To Colonel William Congrcve, of Cecil Street, Strand, 

 for his mode of constructing the locks and sluices of canals, 

 basons, or docks; and generally for transporting of floating 

 bodies from one level to another. — 23d IvJarch. 



To Thomas Brunton, of Cooper's Row, Crutched Friars, 

 HI the cily of London, merchant, for his discovered im- 

 provements in making or manufacturing of ships' anchors 

 and windlasses, and chain cables or nu)orings. — 'iGth March. 



To John Hughes, of Poplar, in the county of Middlesex, 

 excavator, for his improved niethod or a-.-jparatus for raising 

 gravel or earth from the bottom of rivers and pits, and for 

 screening and delivering the same into barges or other re- 

 c-eptacles, — -27lh March. 



To John Healhcoal, of Loughborough, in the county of 

 Leicester, lace manufacturer, for his certain iinproven)ents 

 on, and addition? to, a machine for the making or manu- 

 facim'ing of bol)f>in lace, or lace nearly rcsernbhng foreign 

 Isce, for which he obtained a patent dated 2(iih day of 

 March 1S09; and that such improvements will make the 

 machine more perfect and complete. — 29th March. — Two 

 months to inroll specification. 



To David Thomas, of the parish of St. Mary RedclifT, in 

 the city and county of Bristol, brightsmith, and ivory black 

 manufacturer, for his method for burning animal bones for 

 the purpose of extracting the greasy or fat properly there- 

 from, and likewise for extracting the spiritur>us quality 

 theiefrom, and for reducing the remaining or dry parts of 

 bones into a substance sufiiciently prepared for bcincj ground 

 into ivory black ; all wliich objects are obtained by one pro- 

 cess only; namelv, burning by fire. — 30lh March. — 2 mo. 



To Robert Hall, and Samuel Hall, of Basford, in the 

 county of Nottingham, bleachers and cotton spinners, for 



their 



