St ak (it laa 9° 
USEFUL PROJECTS. 
Lf of Patents granted during the Year 
1797, for various Inventions. 
OHN LEE, of Lewifham, in the 
county of Kent, Brickmaker, 
for a mixture of chalk, whiting, or 
lime, together with clay, loam, or 
earth, for colouring and making of 
bricks.’ Dated January 23, 1797. 
Dudley Adams, of Fleet-ftreet, 
Optician, for fpectacles upon a new 
principle, by which all preffure’is 
removed from the temples and nofe. 
Yated January 23, 1797. 
Anthony George Eckhardt, of 
Charing-Crofs, and Richard Mor- 
ton, of Sheffield, in the county of 
York, Manufacturers, for making 
candlefticks, &c. fo that the lights 
may be raifed or lowered, having 
likewife the advantage of an extin- 
guifher. Dated January 23, 1797. 
Timothy Sheldrake, ofthe Strand, 
for a method of curing the defor- 
‘mities of children, or others. Dated 
January 24, 1797. 
Robert Ferryman, of Hammer- 
fmith, in the county of Middlefcx, 
Clerk, for a machine for blanch- 
ing, grinding, and drefiing of corn. 
Dated January 24, 1797. 
James Murphy, of Hertfore fireet, 
Pancras, for improvements in tan- 
ning hides and ikins, &c. Dated 
January 27, 1797. 
_ William Rolfe and Samuel Dayis, 
of Cheapfide, Mufical-Inftrument- 
makers, for improvements in harp- 
fichords and piano-fortes. Dated 
January 31, 1797. 
George Cotes, of Edward-ftreet, 
Chrift-Church, in the county of 
Surrey, Carpenter and Builder, for 
a machine for expediting the mak- 
ing of horfe-fhoe nails, ,brads, &c. 
Dated January.31, 1797. 
John Grover, of Chetham, in the, 
county of Bucks, Brewcz, for im- 
provements in the conftruction and 
fixinc. of coppers, boilers, and fur- 
naces. Dated February 7, 1797. 
John Falconer Atlee, of Wand- 
fworth, in the,county of Surrey, 
Dittiller, fora method of condenf- 
ing and cooling fpirits, in the pro- 
cefs of diftillation. Dated Febru- 
ary 7, 1797. 
James Glazebrook, of Hadley, 
in the county of Salop, Engineer, 
for a method of working and giving 
powerto machinery, by means. of 
air. Dated February (7, 1797. 
John Nath, of Dover-ftreet, St. 
James’s, Architect, for a method 
of conftructing -bridges of plate- 
iron, &c. Dated February 7, 
1797. 
Aaron Garlick, of Duckenfield, 
in the county of Chefter, Manufac- 
turer, for a machine for {pinning 
and roving of cotton. Dated Fe- 
bruary 7, 1797. 
Nicholas 
