&38 Intelligence , 8£c» 
ments in the construction of piston-cylinders, suction-chambers* 
and valves, whereby the same may be more expeditiously repaired ^ 
John Howell, May 31 ; for an improved engine or machine for 
the purpose of boring or hollowing wooden water-pipes, or aque- 
ducts, in a much more expeditious manner than hitherto practised, 
and whereby a considerable saving will be made in timber. 
William Booth, May 3 1 ; for the invention of an improvement in 
making stays and corsets. 
William Law, May 3 1 ; for certain new improvements in and up- 
on water-closets. 
Edward Haskew, May 31 ; for an engine for raising earth from 
the bottom of canals, or any other place of depth, to the surface of 
the earth. 
John Pepper, June 9 ; for the invention of a certain kiln, for 
drying malt, or other grain. 
James Keeling, June 20 ; for a substitute for white-lead, red- 
lead, or any other preparation of lead, in glazing and enamelling 
all manner of earthen and China wares, &c. 
William Whittington, June 28; for a portable baking-stove. 
William Bundy, June 28 ; for a machine for cutting and making 
combs. 
James Parker, June 28 ; for a cement or terras, to be used in 
aquatic and other buildings, and stucco work. 
John Ching, June 28 ; for a medicine for destroying worms. 
Robert Miller, June 28 ; for a method of weaving all kinds of li- 
nen, cotton, woollen, and worsted cloths, by looms wrought by wa- 
ter, steam-engines, horses, or any other power. 
William Batley, June 28 ; for an improveement in the working 
of steam-engines. 
Daniel Davis, July 4 ; for an apparatus or machinery for cleansing 
or sweeping of chimneys, and extinguishing them when on lire, 
without sending any person up the chimney. 
William Sabatier, July 4; for a method of retaining cotton, 
hemp, flax, hops, hay, and other articles, in nearly the same com- 
pass in which they can be compressed. 
INTELLIGENCE. 
Etching on Glass with Fluoric Acid. 
The Editor has great pleasure in presenting to the public a 
small landscape from an etching on glass with fluoric acid, one of 
the constituents of the ornamental Derbyshire spar. This engrav- 
