158 New Patents. [Aug. 



added, a brief Account of the Ophthalmia, so long prevalent in Christ's 

 Hospital. By Eusebius Arthur Lloyd. 8vo. 9s. 



A Treatise on Acu-puncturation, a Description of a Chinese Surgi- 

 cal Operation now introduced into European Practice. By James 

 Morss Churchill. 8vo. 4s. 



Observations on certain Affections of the Head, commonly called 

 Headaches, with a Viewto their more complete Elucidation, Prevention, 

 and Cure ; together with some brief Remarks on Digestion and Indi- 

 gestion. By James Farmer, Member of the Royal College of Surgeons 

 in London. 18mo. 2s. 



Practical Observations on Cold and Warm Bathing ; and descrip- 

 tive Notices of Watering Places in Britain. By James Miller, MD. 

 Fellow of the Royal College of Physicians, and Lecturer on Natural 

 History and Chemistry. 12mo. 4s. 6d. boards. 



Researches into the Laws and Phenomena of Pestilence ; including 

 a Medical Sketch and Review of the Plague in London in 1665, and 

 Remarks on Quarantine. By Thomas Hancock, MD. 8s. 



New Descriptive Catalogue of Minerals ; with Diagrams of their 

 simple Forms : intended for the Use of Students, in the Classification 

 of Minerals, and the Arrangement of Collections. By John Mawe. 

 The Fourth Edition, entirely re-written, and considerably enlarged. 7s. 



One Thousand Experiments in Chemistry ; with Illustrations of 

 Natural Phenomena ; and Practical Observations on the Manufactur- 

 ing and Chemical Processes at present pursued in the successful Cul- 

 tivation of the Useful Arts, with numerous Engravings on Wood and 

 Copper. By Colin Mackenzie. 8vo. \l. Is. 



Scientific Amusements in Philosophy and Mathematics; together 

 with amusing Secrets in various Branches of Science. By W. Enfield, 

 MA. 12mo. 3s. 6cl. 



An Account of the Interior of Ceylon and of its Inhabitants, with 

 Travels in that Island. By John Davy, MD. FRS. 4to. 31. 13s. 6d. 



Zoological Researches in the Island of Java, &c.&c. with Figures of 

 Native Quadrupeds and Birds. By Thomas Horsfield, MD. To be 

 comprised in Eight Numbers. No. I. royal 4to. 1/. Is. 



Article X. 



NEW PATENTS. 



Aaron Manby, ofHorseley, near Sipton, Staffordshire, iron master, 

 for improvements in manufacturing steam-engines — May 9, 1821. 



Samuel Hall, of Basford, Notts, cotton-spinner, for an improvement 

 in the manufacture of starch. — May 9. 



George Frederick Eckstein, of High Holborn, ironmonger, for cer- 

 tain improvements in cooking apparatus. — May 9. 



John Mayor, of Strawbury, and Robert Cook, of Shrewsbury, 

 Salop, for certain improvements in machinery for raising water, which 

 is to be denominated Hydragogue. — May 9. 



Robert Paul, of Star ton, Norfolk, and Samuel Hart, ofRedenhall- 

 with-Harleston, Norfolk, for an improvement in springs for carriages. 

 —May 17. 



