USEFUL PROJECTS. 



385 



maker; for his new-invented arti- 

 ficial leg and arm, upon a new or 

 improved construction. Dated No- 

 vember 15. 



John TurnbuUj junior, of Cor- 

 dale-Printfield, Dumbarton, North 

 Britain, calico-printer; for his new- 

 invented processes, or improve- 

 ments of processes, and apparatus 

 applicable to the bleaching or 

 whitening, and to the purifying, 

 washing, and cleansing, of cotton, 

 flax, hemp, silk, and wool ; and to 

 the purifying of goods of every de- 

 scription made or manufactured of 

 cotton, flax, hemp, silt, and wool. 

 Dated November 15. 



John White of the parish of St. 

 Paul, Covent-garden, Middlesex, 

 tin-plate- worker; and James Sme- 

 thurst, of St. Margaret's Hill,South- 

 wark, Surrey, tin-plate- worker ; for 

 a new-invented lamp and burner. 

 Dated November 15. 



Thomas Grylls, of Launceston, 

 Cornwall ; for his new-invented 

 stop-cock for barrels, and other 

 vessels, which prevents the wasting 

 of liquor. Dated Nov. ] 5. 



Joseph Sigmond, of Bath, So- 

 merset, surgeon-dentist ; for his 

 new-invented preservative lotion 

 and dentfrice, which he calls the 

 British Imperial Lotion and Den- 

 tifrice, for preserving and beauti- 

 fying the teeth and gums. Dated 

 November 25. 



Stephen Hooper, of Margate, in 

 the Isle of Thanet, and county of 

 Kent, gentleman ; for his new-in- 

 vented method, by means of cer- 

 tain machinery, of cleansing and 

 deepening dry harbours, rivers, 

 creeks, &c. part of which machi- 

 nery may be applied to other useful 

 purposes. Dated Dec. 4. 



John Prosser, of Charing-cross, 

 Middlesex,sword-cutler ; for a new- 



VoL. XLII. 



invented water-proof pan and ham- 

 mer for gun and pistol-locks; and 

 also a breech for gun and pistol- 

 barrels, for the purpose of a quick- 

 er and more forcible explosion of 

 gunpowder. Dated Dec. 9- 



WiUiam Playfair, of GreatBrook- 

 street, Fitzroy-square, Middlesex, 

 gentleman, and Nicholas le Farre, 

 of Still-Organ, near Dublin, in Ire- 

 laud, but now residing in George- 

 yard, Lombard-street, in the city of 

 London, esq. ; for their new-in- 

 vented improvements in naval 

 architecture, whereby all vessels of 

 all burdens may be enabled to sail 

 faster than they now do, particu- 

 larly in a heavy sea. Dated De- 

 cember 12. 



Joseph Eyre, of Sheffield, York- 

 shire, wood-turner; for a method 

 or process of impressing the japan 

 upon ornamental handles of knives, 

 forks, razors, and other cutlery- 

 ware, made of wood, paper, &c. 

 in imitation of handles made of tin 

 or horn. Dated Dec. 13. 



Martha Gibbon, of King-street, 

 Covent-garden, Middlesex, dress- 

 maker; for a new-invented stay for 

 women and others. Dated De- 

 cember 17- 



Chester Gould, late of Rome, in 

 the county of Oneida, in the state 

 of New York, but now of Red- 

 Lion-street, Clerkenwell, Middle- 

 sex, merchant ; for additional im- 

 provements on an instrument or log 

 for ascertaining a ship's distance, 

 for which he obtained former letters 

 patent in May last. Dated Decem- 

 ber 17. 



James Duxburgh, of Manchester, 

 Lancashire, calico-printer ; for a 

 machine or instrument to print 

 distinct sprigs or spots on calico, 

 cotton, stuffs, linen, sUk, satin, 

 cloth, woollen, braize, or leather, 



Cc 



