390 
List of Patents . 
time than in the old way, by the air passing so freely, as 
it does through the siphon* 
Fig. 1, PI. 12. Yiewof Nooth’s Apparatus, with the 
siphon valve — the syphon rising above the water mark. 
Fig. 2. a, Part of the siphon cemented in, as a recep- 
tacle. b. Perforated stopper, for the place of the old 
valve. 
No. 50. 
Ust of American Patents . 
(Continued from page 237.) 
1798. 
Nathan Read, Jan. 8, machine for cutting and heading nails. 
Thomas Bruff, senior, Jan. 8, improvement in grinding coffee. 
John Dixey, Jan. 24, machine for printing paper, leather, Sec. 
Isaac Tryon, Feb. 22, improvement in cutting and pointing 
comb-teeth. 
Charles Holden, March 15, improvement in wind- mills. 
Samuel Blydenburg, March 22, machine for dipping candles. 
Robert McKean, March 24, steam saw-mill. 
Aaron Clarke, March 30, mill for sawing boards. 
Elijah Ormsbee, March 21, screw engine for throwing water. 
John Manning, April 10, improvement in raising water from 
fountains. 
John Martin, April 27, regulating the action of the tide on his 
spiral wheel. 
Mark Isambard Brunei, April 27, machine for raising water. 
Isaac Lazell, May 18, machine for removing rocks, &c. 
James Small man and Nicholas J. Roosevelt, May 31, a double 
steam engine. 
Thomas C. Martin, June 2, machine for threshing wheat, &c. 
Charles Stoudinger, June 2, machine for propelling vessels. 
Walter Brewster, June 7, water-wheel flume for large streams 
Jonathan Hunt, June 7, an oblique pump. 
John Love, June 11, « a tallow lamp.” 
Samuel Cooley, June 6, a composition for pills. 
