82 



TRANSACTIONS OF THE 



very complete vacuum enabling it to draw water to the extent of 

 the pressure of the atmosphere. The best for general purposes 

 though expensive and complicated. [^ gold medal awarded. 



DotUe-. -MR tun and 1 oice Pump', 



j\fo, 999 — Suction and Force Pum'ps. 

 L. P. & W. F. Dodge, Newburgh, N. Y., cast iron. These 

 pumps are much used, and bear the test of use. They are 

 arranged with metallic popet valves sliding horizontally on the 

 piston-rod. [^ silver medal having leen before awarded, a 



diploma certifying thai fact. 



JYo. 1186 — Steam Pump. 

 C. & G. M. Woodwai-d, 77 Beekman street. Is the best steam pump 

 with crank motion. [^ silver medal awarded. 



