List of Patents for fnventlons. 3&3 



declin. south 0° 4/' J 9": its motion in A. R. is about 

 7' 56", or 31*7" in time retrograde, and in declin. about 

 12' 34" south per diem." 



LIST OF PATENTS FOR INVENTIONS, 



Which have passed the Signet Office between August £4 

 and September 24, 1804. 



To Robert Frith, of Broughton, in the county of Lan- 

 caster, dyer, for an improved method of dyeing cotton wool, 

 cotton twist, cotton weft, and cotton cloth, of a nankeen 

 colour, and of ft buff colour. 



To Michael Searth, of Castle Eden, in the county of 

 Durham, sail-cloth manufacturer, for a new method of 

 manuracturinir sail-cloth with double or single thread warp, 

 without starch or any substitute for stiffening, and-w thout 

 the double threads being twisted together. 



To John Ey water, of the town and county of the town 

 of Nottingham, for a new and improved method of clothing 

 and unclothing the sails of windmills while in motion, pro- 

 vided that they are made after the Dutch manner, as the 

 generality of windmill sails are constructed, bv which the 

 mill may be clothed, either in whole or in part, in an easy 

 and expeditious manner, by a few revolutions of the sails, 

 whether they are going fast or slow, leaving the surface 

 smooth, even, and regular in breadth, from top to bottom ; 

 and in like maimer the cloth, or any part thereof, may be 

 rolled or folded up to the whip at pleasure, by machinery 

 simple and durable, that may be fixed up in a few days, at 

 comparatively easy expense, requiring very little alteration 

 of anv part of the mill, and is equally applicable to any old 

 sails on the common construction, however warped or 

 bosomed, without the necessity of having new cloths. 



To Charles Frederic Mollersten, of Hackney Wick, in 

 the county o£ Middlesex, gentleman, for a chemical com- 

 position, and Ynethod of applying the same, in the prepa- 

 ration of hides, skins, and leather, silks, taffetas, and linen, 

 and to all articles already made of skins and leather, thereby 

 colouring and giving a beautiful gloss to the same, rendering 

 them water-pr6of and impenetrable to hot or corroding 

 liquids, and at the same time preserving them from decay, 

 and keeping them soft and pliable. 



To Thomas Porthouse, of Hall Garth, in the parish of 

 Haughton lc Skern, in the county of Durham, flax-spinner, 

 for a machine for hackling flax and hemp, and at the same 

 time carding the tow. 



D d 3 METEOKO- 



