238 New Patents. [March, 



Article XVII. 



NEW PATENTS. 



H. Ibbotson, Sheffield, fender-manufacturer, for a fender capable of 

 being extended or contracted in length, so as to fit fire-places of differ- 

 ent dimensions. — Nov. 28. 



J. Dixon, Wolverhampton, Staffordshire, brass-founder, for im- 

 provements on cocks, such as are used for drawing off liquids. — 

 Nov. 28. 



J. Woollams, Wells, Somersetshire, land agent, for improvements in 

 wheeled carriages. — Dec. 5. 



W. Robson, St. Dunstan's-hill, Tower-street, printer and stationer, 

 for a method to prevent or protect against fraudulent practices upon 

 bankers' checks, bills of exchange, and various species of mercantile, 

 commercial, and other correspondence. — Dec. 10. 



J. Perkins, Fleet-street, late of Philadelphia, engineer, for improve- 

 ments in steam-engines. Communicated to him by a foreigner.— 

 Dec. 10. 



S. Parker, Argyle-street, Westminster, bronzist, for improvements 

 in the construction of lamps. — Dec. 10. 



W. Bundy, Fulham, Middlesex, mathematical instrument maker, 

 for a machine for breaking, cleaning, and preparing, flax, hemp, and 

 other vegetable substances containing fibre. — Dec. 16. 



T. B. W. Dudley, King-street, Westminster, mechanist, for a 

 method of making or manufacturing malleable cast-metal shoes for 

 draft and riding horses, and other animals, upon a new and improved 

 plan or principle. — Dec. 16. 



J. Nicholson, Brook-street, Lambeth, engineer, for apparatus for 

 the more conveniently applying heat to certain instruments of domestic 

 use. — Dec. 16. 



J. Dumbell, Howley House, Warrington, Lancashire, merchant, for 

 improvements relative to carriages. — Dec. 16. 



J. Bainbridge, Bread-street, Cheapside, merchant, for improvements 

 on rotatory steam-engines. Communicated to him by Amos Thayer, 

 jun. of Albany, America, mechanist. — Dec. 16. 



M. Wilks, Dartford, Kent, seed-crusher, for a new method of refin- 

 ing oil produced from seed. — Dec. 20. 



T. Linley, Sheffield, Yorkshire, bellows-maker, for a method of 

 increasing the force or power of bellows. — Dec. 20. 



Sir J. Jelf, Oaklans, Gloucestershire, for a combination of machinery 

 for working and ornamenting marble and other stone for jams, mantles, 

 chimney-pieces, and other purposes. — Dec. 20. 



J. I. Hawkins, Pentonville, civil engineer, and S. Mordan, Union- 

 street, City-road, portable pen-maker, for improvements on pencil- 

 holders, or port crayons, and on pens, for the purpose of facilitating 

 writing and drawing. — Dec. 20. 



W. Pass, Curtain-road, Shoreditch, dyer, for an improvement in 

 calcining and smelting of various descriptions of ores.— Dec. 20. 



