New Patents. 77 



A Geological Survey of the Environs of Philadelphia. By 

 M. Froost. 



Su i valori delle Misure e dei Pesi degli antichi Romani, d^sunti 

 dagli originali esistenti nel real Museo Borbonico di Napoli, &c. 



Considerations sur la diversite des Bassins de differentes Races 

 Humaines, par M. G. Vrolik, DM. 



Nouvelles Regies sur I'art de Formuler ; par H. Briand, D. M. <lc. 



Considerations chimiques et medicales sur I'Eau de Sellers ou de 

 Seltz naturelle ; par M.M. Caventou, Fran9ois, Gasc, et Marc. 



NEAV PATENTS. 



To Thomas Machell, of Berners-street, Oxford- street, surgeon, 

 for improvements on apparatus applicable to the burning of oil, &c. 

 — Dated the 8th of December 1826. — 6 months allowed to enrol 

 specification. 



To Robert Dickinson, of New Park-street, Southwark, for an in- 

 vention for the formation, coating and covering of vessels or pack, 

 ages for containing, preserving, or conveying goods, whether liquid 

 or solid, &c. — 8th of December. — 6 months. 



To Charles Pearson, of Greenwich, esquire, Richard Witty, of 

 Hanley, Staffordshire, engineer, and William Gillman, of White- 

 chapel, engineer, for a method of applying heat to certain useful 

 purposes. — 13th of December. — 6 months. 



To Charles Harsleben, of Great Ormond-street, esquire, for his 

 machinery for facilitating the working of mines and extraction of 

 diamonds, <S:c. gold, silver, &c. from the ore, the earth, or the sand; 

 applicable likewise to other purposes. — Ibth of Dec. — 6 months. 



To John Costigin, of Collon, in the county of Louth, civil en- 

 gineer, for improvements in steam machinery or apparatus. — 13th 

 of December. — 6 months. 



To Peter Mackay, of Great Union-street, Borough Road, for 

 improvements by which the names of streets and other inscriptions 

 will be rendered more durable and conspicuous.— 13th of Decem- 

 ber. — 6 months. 



To William Johnson, of Droitwich, for improvements in the mode 

 of process and form of apparatus for the manufacturing of salt and 

 other purposes. — 18th of December. — 6 months. 



To Maurice De Jough, of Warrington, cotton-spinner, for im- 

 provements in machinery or apparatus for preparing rovings, and 

 for spinning and winding fibrous substances. — I8th of December. — 

 6 months. 



To Charles Harsleben, of Great Ormond-street, esquire, for im- 

 provements in building ships and other vessels, applicable to various 

 purposes for propelling the same. — 20th of December.— 6 months. 



To Thomas Quarrill, of Peter's Hill, London, for improvements 

 in the manufacture of lamps. — 20th of December. — 6 months. 



To William Kingston, master millwright of Portsmouth Dock- 

 yard, and George Stebbing, mathematical instrument-maker, of 

 High-street, Portsmouth, for improvements on instruments or ap- 

 paratus for the more readily or certainly ascertaining the time and 

 stability of ships or other vessels —20th of December.— 6 months. 



To 



