254 List of Patents for New Inventions. 



so as to afford security against (ire, with other advantages, 

 Feb. 7. 



To Archibald Thomson, of Manchester, engineer, for 

 certain improvements on machines applicable to various 

 kinds of spinning. Feb. 7. 



To William Evcrhard Baron Doornik, of01d Lisle Street, 

 Leicester Square, for certain improvements in the manu- 

 facture of soap, to wash with sea-water, with hard-water, 

 and with soft water. Feb. 7. 



To John Stead, card-manufacturer, Leith Walk, Edin- 

 burgh, for his method of manufacturing cards which are 

 employed in the- carding and spinning of flax, tow, wool, 

 cotton, and silk, so as to combine the quality of a fine card 

 with the strength of a coarse one. Feb. 9. 



To James Grellier, of Aldborough Hatch, in the county 

 of Essex, esq., for a peculiar construction for the purpose 

 of burning coke and lime, whereby the superfluous heat of 

 the fire used in burning the coke is applied to burn the lime, 

 and also whereby such fire may be rendered perpetual, and 

 which he denominates " the union and perpetual kiln."- 

 •Feb. 13. 



To Stephen Hooper, of Walworth, in the county of Sur- 

 rey, gent., for a thermometer or machine for ascertaining 

 the heat of bakers' ovens and various other purposes. Feb. 13. 

 To David Meade Randolph, a citizen of Virginia, in the 

 United States of America, but at present residing near Gol- 

 den Square, in the county of Middlesex, merchant, who, in 

 consequence of a communication made to him from his friend 

 and correspondent residing within the raid United States, 

 has become possessed of a new method of manufacturing all 

 kinds of boots, shoes, and other articles, by means of a 

 substitute for thread made of hem;>, flax, or other yarns. 

 Feb. 21. 



To Joseph Ilett, of Stratford, in the county of Essex, 

 calico-printer, for his method of producing fast greens on 

 cotton and various other articles. Feb. 21. 



To Leger Didot, of Two Waters, in the county of Hert- 

 ford, for certain improvements in the construction of um- 

 brellas and parasols. March l. 



To 



