AMERICAN INSTITUTE. 83 



jYo. 1282 — Jlnti- Choking Arch Pump Valves. 

 N. Dodge, 42 University Place. For ships, a valuable invention, 

 much used and generally approved. These valves can be placed 

 in nearly all varieties of piunps. Has had medals from the Ameri- 

 can Institute. [^^2 silver medal having been before awarded, a diplo- 

 ma certifying that fact. 



JVo. 1175 — Steam pump. 

 Guild & Garrison, Williamsburgh, N. Y. Is the best steam pump 

 without crank motion. [Ji diploma awarded. 



JYo. 1224 — Double Acting and Force Pump. 

 Jas. Smai't, Philadelphia, Pa. Of all the pumps exhibited at the 

 fair of the American Institute, none seem adapted for a house or 

 well pump as well as for general purposes as that made by James 

 Smart of Pliiladelphia. They are made of brass, and are of ex- 

 cellent workmanship. \^Ji silver medal awarded. 



JVo. 293 — Double Acting Pump. 

 W. C. & J. S. Burnham, 85th st., near 4th avenue. Well suited 

 for general use, and third best for common use, because cheap 

 and good. [^A silver m,edal awarded. 



JYo. 81 — Drill for Joining Purposes. 

 G. Arthur Gardiner, 33 Trinity Buildings. The best mining drill. 

 This machine is arranged strictly as a mining drill. The whole 

 arrangement is calculated to make it very useful in a mine. For 

 di'iving tunnels, driftAvays, &c., drilling with the same facility at 

 any angle, either above or below, a horizontal. It is worked by 

 one man, and it is so compact as to occupy a much less space 

 than the old system of " Plolder and Striker." The machine is 

 cheap, simple and strong, is easily fastened up in a mine, and as 

 easily removed in case of blasting. It has been introduced into 

 the Schuylkill and other mines. [.^5 silver medal axoardcd. 



JYo. 1511 — Rock Drilling J[Iachine. 

 Pettis & Stone, St. Johnsbury, Vt. The best drill for quarrying 

 purposes. This machine is portable, mounted on wheels, and 

 arranged for working in a quarry, the drill working below a 

 horizontal line. The proportions are good, working with great 

 rapidity. [A diploma aioarded. 



JYo. 898 — Rock Drilling J\'Iachine. 

 Theodore F. Engelbrecht, 229 Broadway. The second best drill 

 for quarrying purposes. This is also intended for quarrying 

 purposes, placed on a wooden frame work; a cheap and useful 

 machine. [A diploma awarded. 



