.< 420 ) 
Art. XXIII.— of Patents granted in Scotland from 
14$. November 1822 to 6$ March 1823. 
*r. To William Lister of Baildon, parish of Otley, coun- 
ty of York, cotton-spinner, for an invention 44 of certain improve- 
ments in the method and machinery for preparing and spinning 
wool, silk, mohair, or other animal fibre, of any quality or 
length of staple. 11 Sealed at Edinburgh 27th November ] 822. 
1. To Henry Houldsworth of Glasgow, civil engineer, 
for an invention of 44 a new and improved method or contrivance 
for heating, dwelling-houses, hot-houses, and other buildings and 
erections. 11 Sealed at Edinburgh 8th January 1823. 
2. To James Perkins, late of Philadelphia, United States 
of America, now of Fleet Street, London, engineer, for an in- 
vention 44 of certain improvements on steam-engines. 11 Sealed 
at Edinburgh 8th February 1823. 
3. To William Brunton of Birmingham, county of War- 
wick, engineer, for an invention 44 of certain improvements up- 
on fire-grates, and the means of introducing coal therein. 11 Seal- 
ed at Edinburgh 8th February 1823. 
4. To James Fox of Plymouth, county of Devon, rectifier, 
for an invention 44 of an addition or additions to, or an improve- 
ment or improvements on the apparatus commonly used in the 
distillation of ardent spirits. 11 Sealed at Edinburgh 3d March 
1823. 
5. To Philip Chell of Earl’s Court, Kensington, county of 
Middlesex, engineer, for an invention 44 of certain improvements 
on machinery for drawing, roving, and spinning hemp flax and 
waste silk. 11 Sealed at Edinburgh 6th March 1823. „ 
6. To Richard Badnall the younger, of Locke, county of 
Stafford, silk-weaver, for an invention 44 of certain improvements 
in the throwing, twisting, or spinning of sewing silks, Organ - 
zine Bergam, and such other descriptions of silk as the said im- 
provements may be applicable to, 11 Sealed at Edinburgh 6th 
'March 1823. 
