AMERICAN INSTITUTE. 75 



STEAM FIRE ENGINES. 



Judges — Samuel H. Maynard, Wm. B. Leonard, James Renwick. 

 Manhattan Fire Engine Co. No. 8, 91 Ludlow street, for the steam fire 

 engine " Manhattan." Gold medal. 



STEAM PLOW. 



Joseph W. Fawkes, Christiana, Pa., for a steam plow. Cash, $1,000. 



PROSSER's STEAM BOILER AND CONDENSER. 



Judges — Geo. H. Reynolds, L. W. Turrell. 



Thomas Prosser & Son, 28 Piatt street, for a steam boiler and condenser. 

 Silver medal. 



MATHEMATICAL AND PHILOSOPHICAL INSTRUMENTS. 



Judges — Alexander J. Cotheal, Benjamin Garvey, Levi Reuben. 



Henry W. Trimble, Newark, N. J., for the best platform hay scales. 

 Large silver medal. 



John Howe, Jr., Brandon, Vt., for an extremely well finished and accu- 

 rate hay scale. Silver medal. 



John Howe, Jr., Brandon, Vt., for a very accurate assortment of scales. 

 Bronze medal. 



Henry Troemner, Philadelphia, Pa. (Frank E. Howe, agent, 191 Broad- 

 way), for gold and silver, druggists, and grocers' scales. Bronze medal. 



John P. Gruber, 184 Chatham street, for a well finished large bank 

 scales. Diploma. 



A. Wilson, 4 Wall street, for the best electric gas lighting machine. 

 Gold medal. 



S. Gardiner, Jr., 167 Broadway, for the second best electric gas lighting 

 apparatus. Silver medal, 



Ryerson & Huested, 218 West 35th street, for a submarine explorer. 

 Gold medal. 



J. M. Grumman, 377 Fulton street, Brooklyn, L. I., for patent survey- 

 ing chains. Bronze medal. 



Jabez Burns, 245 West 29th street, for an addometer. Bronze medal. 



Joseph Grice, 96 Wall street, for a marine salinometer. Bronze medal. 



Samuel W. Francis, 1 Bond street, for a writing printing machine. 

 Diploma. 



H. Homan & Co., Cincinnati, Ohio, for gyroscope tops. Diploma. 



Victor Beaumont, 175 Centre street, for metallic barometers. Diploma. 



G. Tagliabue, 298 Pearl street, for a patent parlor barometer. Diploma. 



S. B. Smith, 322 Canal street, for magnetic machines. Diploma. 



A. H. Ogden, 64 West 29th street, for a glass steam engine, for illus- 

 trating lectures. Diploma. 



C. V. Mapes, corner Nassau and Beekman streets, for a fire annihilator, 

 a very convenient hand force pump. Diploma. 



MECHANICAL AND ARCHITECTURAL DRAWING AND DESIGNS. 



Chas. Duggin, 532 Broadway, for architectural designs. Bronze medal. 



