398 Proceedhig-s of the Society of Arts. 



was exhibited. — Directions for experimenting with the Model Were 

 read. — Supplement to the Essay> being description and drawing of 

 an Apparatus for giving aself-acting power to the Air Extractor. 



Feb. 19. — L An Essay on certain Improvements on the Syphon — 

 for Draining Marshes, Mines, and Lakes ; taking a much more ef- 

 fectual advantage of Waterfalls — in raising water for the supplying 

 of Towns, and driving Machinery — than hitherto done. By Mr 



Jonathan Davidson, ironmonger, 123. High Street, Edinburgh 



Models and Drawings were exhibited. 



2. Model and Description of an Improved Chimney Can, for the 

 more effectual curing of Smoky Vents, and preventing the return of 

 smoke occasioned by downward currents, or other causes. By Mr 

 James Shillinglaw, builder, 5. Cheyne Street, Stockbridge. 



John Hamilton Colt, Esq. of Gartsherie, 14. Regent Terrace, Edinburgh, 

 was admitted an Ordinary Member. 



LIST OF PATENTS GRANTED AT EDINBURGH FROM 23d SEPTEM- 

 BER 1833 TO 19th march 1834. 



1833. 



Sept. 23. To John Robertson of Crofthead, in tbe parish of Neilston and 

 county of Renfrew, cotton-spinner, for an invention of " certain 

 improvements in the mule, jenny, or other machine for spinning 

 of cotton, and in the billy, stretching-frame, or other machine for 

 roving of cotton, and in the machinery for spinning and roving of 

 silk, wool, flax, hemp, or other fibrous substances." 



Oct. 9. To John Paterson Reid, of the city of Glasgow, merchant and 

 power-loom manufacturer, and Thomas Johnson, of the said city 

 of Glasgow, mechanic, in the employment of John and Archibald 

 Reid, of the said city of Glasgow, power-loom manufacturers, for 

 an invention of " certain improvements applicable to certain 

 looms for weaving different sorts of cloth." 

 10. To Henry Ewbank, of Idol Lane, in the city of London, merchant, 

 for an invention of " an improved process to be used in dressing, 

 of paddy or rough rice," invented by him in conjunction with his 

 late partner Jonathan Lucas, deceased. 

 14. To William Wilkinson Taylor, of Bow, in the county of Middle- 

 sex, felt- manufacturer, for an invention of " an improved cloth 

 for the sails of ships and other vessels." 



21. To William Henry Barnard, of 26. New Broad Street, in the city 



of London, gentleman, for an invention of *' a solvent not hither- 

 to used in the arts." 

 To James Jones, of Salford, in the county of Lancaster, machine- 

 maker, for an invention of " certain improvements in the making 

 of rovings, spinning and doubling cotton, silk, flax, and other 

 fibrous substances." 



22. To John Ericsson, of Albany Street, Regent's Park, in the county 



of Middlesex, civil engineer, for an invention of " an engine for 

 producing motive power, whereby a greater q[uantity of power is 

 obtained from a given quantity of fuel than heretofore." 



