List of Patents. 479 
Asa Spencer, June 8, improvement in making thimbles. 
William Tunstall, June 30, improvement in machines for clear- 
ing grain from straw, Sec. 
B. Folger, July 7, improvement in the mode of pumping and rais= 
ing water. 
Levi Osborn, July 12, improvement in the construction of the 
fulling mill called the double crank. 
John Deaver, July i2, improvement in the plough. 
Christopher Hoxie, July 12, improvement in the auger. 
Thomas Power, July 12, improvement in the lime-kiln. 
C. Veltenair, Aug. 10, metallick grinder, or hone for razors, pen- 
knives, scissors, surgeons’ instruments, and all kinds of fine-edged 
tools. 
Nicholas Boureau, Aug. 21, improvement in the machine for 
cutting nails. 
Wm. Harrington, Aug. 28, machine for raising water from wells, 
Hezekiah Betts, Aug. 29, improved windlass for ships or vessels, 
John Roberts, Amos D. Allen, and Ezekiel Kelsey, Sept. 5, ma- 
chine to cut chips or strips of wood to make chip hats and bonnets., 
brooms, baskets, sieves, matting, and for various other uses. 
Emanuel Kent, Sept. 14, crushing plaster-mill. 
Orange Webb, Sept 18, improvement in suspenders. 
Richard Weems, Sept. 20, improvement in wind-mills. 
J. Bolton, jr. Sept. 29, a wagon, or carriage, to be workedby hand, 
John James Thomas, Oct. 2, method to prevent chimneys from 
admitting water in rainy weather. 
Aaron Taylor, Oct. 4, forcing pump to raise water. 
Abel Brown, Oct. 17, “ the rheumatick liniment” for chronick 
rheumatism, strains, &c. 
Simon Smith, Oct. 23, improvement in gallows, or suspenders^ 
for breeches, pantaloons, or trowsers, &c. 
Benjamin Dearborn, Oct. 29, improvement in candlesticks. 
Laban Folger, Nov. 1, machine for breaking dough. 
D. M‘Mullin and T. M. Corby, Nov. 6, machine for cooling and 
filtering water or other fluids. 
David Stodder, Nov. 16, composition, or cement, to prevent the 
roofs and other parts of houses from taking fire. 
John Hooker, Nov. 19, improvement in sash springs. 
J. Deneale, Jun. Nov. 20, improvement in the threshing machine, 
J. White, Nov. 27, improvement in the oil press. 
E. I. Du Pont de Nemours, Nov. 23, machine for granulating 
gunpowder. 
