No. 133.] 493 



Joseph P Picison, 5 Wall-street, for double vacuum steam con- 

 denser, gold medal. 



Suh-marij^e Boat 

 L, Alexander, 16 Broadway, for a sub-marine boat, gold medal. 



Stone-dresi,mg and Polishing Machines. 

 Judges — Joseph Cowdin, Julm A Bunting, Edwin Smith. 



Charles Wilson, Springfield, Mass, for a superior stone-dressing 

 machine, gold medal. Albert Eames, Springfield, Mass, for the 

 best polishing machine, gold medal. 



Iron Roofing. 

 Judges — Edwin Smith, John A Bunting, B Aycrigg. 



Bogardus & Hoppin, cor. Centre and Ditane streets, for a beau- 

 tiful and light constructed iron roof, silver medal. 



Gas Burner. 



Judges — Wm C Arthur, Thos Carter. 



Wm Mallerd, Lowell, Mass, for an anti-corrosive gas burner, 

 gilver mtdal. 



Discretionary. 



Jac='b Grosvenor, N Y, for a good hay press, diploma. James 

 Rodgers, N Y, for a register tor measuring the revoluiious of a 

 steam engine, silver medal. J Laidlaw, west 24th-street, near 

 10th avenue, for a protector gas metre, silver medal. Napoleon 

 Hayman, 59 Marion-street for bells and bell materials, diploma. 

 A W Gary, Brockport N Y, for a centrifugal pump, (a gold medal 

 having been before awarded) diploma. J B Gridley, N Y, for a 

 good bridge, diploma. Allen & Wells, N Y, for a cut-off, gold 

 medal. J D B Stiilman, N Y, for an improved harpoon, silver 

 medal. Pierce & Valentine, 122 Water-stjett, for a superior safe, 

 gold medal. T 1) Jackson, 65 Nassau-street, for a superior an- 

 nunciator, (a gold medal having been before awarded) diploma. 



Minors^ Work. 



Alex. C Heckert, Williamsbugh, L I, for a working model of a 

 steam engine, Webster's Dictionary. 



