398 New Patents. [May, 



Elements of Experimental Chemistry. By William Henry, MD- 

 FRS. &c. The Ninth Edition, greatly enlarged and recomposed 

 throughout. Illustrated with 10 Plates by Lowry, and numerous 

 Wood-cuts. In 2 Vols. Svo. 1/. lis. 



Narrative of a Journey from the Shores of Hudson's Bay to the 

 Mouth of the Copper Mine River, and thence along the Coast of the 

 Polar Sea, &c. By Capt. John Franklin, RN. Commander of the 

 Expedition. With an Appendix containing Subjects of Natural His- 

 tory, &c. by J. Richardson, MD. Surgeon to the Expedition, and 

 others. Illustrated by 4 Maps, 8 Plates of Natural History, and 24 

 Engravings by Finden, from Drawings by Lieuts. Back and Hood. 



4to. 41. 4s. 



Among the new productions at the present Leipzig Fair, is the first 

 Volume of MM. Martin and Spix's Travels in Brazil, during the Years 

 1817, 1818, 1819, and 1820; with an Atlas, in imperial Folio, of 15 

 Lithographic Plates of Portraits, Views, Geological and Botanical 

 Charts, &c. This Volume contains their Travels though Rio Janeiro, 

 St. Paul, Minas Geraes, Goyaz, Bahia, &c. 



Also: — Animalia Nova quae inltinere jussuetauspiciisMax. Jos.Bav. 

 Regis per Brazilium suscepto observavit, et depingi curavit Dr. Joannes 

 de Spix. 39 Plates. 



Plantas Novse quae in Itinere jussu et auspiciis Max. Jos. Bav. Regis 

 suscepto observavit, et depingi curavit, Dr. Carolus de Martin. 100 

 Plates. 



The Naturalist's Repository, or Monthly Miscellany of Exotic 

 Natural History, consisting of elegantly coloured Plates, with appro- 

 priate scientific and general Descriptions of the most curious, scarce, 

 and beautiful Productions of Nature that have been recently discovered 

 in various Parts of the World. By E. Donovan, FLS. &c. 



Article XVIII. 



NEW PATENTS. 



J. Taylor, of Raven-row, Mile End, Middlesex, master mariner, for 

 a new method of constructing the bottoms of merchant-ships, and 

 placing the pumps so as to prevent damage to the cargoes by the bilge- 

 water. — Jan. 16. 



J. Smith, of Old Broad- street, merchant, for certain improvements 

 on a machine for washing, cleansing, and whitening cotton, linen, silk, 

 and woollen garments, or piece goods. — Jan. 20. 



W. Glossage, of Leamington Priors, Warwickshire, chemist and 

 druggist, for a portable alarum, to be attached to, and detached from, 

 clocks and watches, and which may be regulated to take effect at any 

 given period of time. — Feb. 11. 



N. Partridge, of Bowbridge, near Stroud, Gloucestershire, dyer, for 

 improvements in the setting or fixing of steam-boilers or other coppers, 

 by which a considerable saving of fuel will be effected, and the smoke 

 more effectually consumed. — Feb. 14. 



T. Fuller, of Bath, Somersetshire, coach-builder, for an improvement 

 in the construction of shafts, and the mode of attaching them to two- 

 wheeled carriages. — Feb. 18. 



