318 Neio Patents: [O c r. 



JUST PUBLISHED. 



Bees on Tic Doloreux. 8vo. 7s. 6d. 

 Magendie's New Remedies, with Appendix. 5s. 6d. 

 Halloran on Opthalmia. 5s. 



Manuale Medicum, or Medical Pocket Book for Students. 5s. 

 Thomson's London Dispensatory. 8vo. 15s. 



The Young Brewer's Monitor, comprising a scientific Summary of 

 the Art, with a Series of Cautionary Precepts, &c. 8vo. 



Article XIX. 



NEW PATENTS 



C. Jefferies, Havanah Mills, near Congleton, silk thrower, and 

 E. Drakeford, Congleton, watch-maker, both in the county of Ches- 

 ter, for their invented method of making apparatus for the purpose of 

 winding silk and other fibrous materials. — July 29. 



W. Wheatstone, Jermyn-street, St. James's, music seller, for his 

 invention of improving and augmenting the tones of piano-fortes, 

 organs, and euphonons. — July 29. 



J. Price, Stroud, Gloucester, engineer, for certain improvements in 

 the construction of spinning machines. — Aug. 5. 



G. Graydon, Bath, Captain in the Royal Engineers, for inventing a 

 new compass for navigation and other purposes. — Aug. 5. 



W.Johnson, Great Tothan, Essex, for inventing a means of evapo- 

 rating fluids for the purpose of conveying heat into buildings for manu- 

 facturing, horticultural, and domestic uses, and for heating liquors in 

 distilling, brewing, and dyeing, and in making sugar and salt with 

 reduced expenditure of fuel. — Aug. 5. 



J. Perkins, Fleet-street, engineer, for certain improvements in pro- 

 pelling vessels. — Aug. 9. 



J. Fussell, Mells, Somerset, edge-tool-maker, for his improved 

 method of heating woollen cloth, for the purpose of giving it a lustre in 

 dressing. — Aug. 11. 



H. Schroder, Hackney, broker, for his invented new filter. — 



Aug. 11. 



J. Vallance, Brighton, for his improved method of abstracting or 

 carrying off the caloric of fluidity from any congealing water (or it 

 may be other liquids) : also an improved method of producing intense 

 cold: also a method of applying this invention so as to make it avail- 

 able to purposes, with reference to which temperatures about or 

 below the freezing point may be rendered productive of advantageous 

 effects, whether, medical, chemical, or mechanical. — Aug. 28. 



J. Neville, High-street, Southwark, engineer, and W. Busk, Broad- 

 street, for certain improvements in propelling ships' boats, or other 

 vessels, or floating bodies. — Sept. 16. 





