36 Transactions of the American Institute. 



TnrRD Grottp. — Machinery for working metals — lathes, planers, screw-cutting 

 machinery, drills, shaping and slotting machines, emery wheels, and all tools and 

 apparatus used in working metals. 



Fourth Group. — Machiucrj' for working in wood — lathes, saws, planing 

 machines, boring machines, machines for mortising and tenoning, carpenters' tools, 

 and other tools and apparatus for working in wood." 



Fifth Group. — Machinery for preparing fibres and tissues, carders, pickers, etc., 

 machinery and all appliances used in the manufacture of cloth, carpeting, etc., spin- 

 ning frames, spoolers, looms, machinery used in printing. 



Sixth Group. — Machinery and tools used in the manufacture of leather, India 

 rubber, papier mache, paper, porcelain, pottery, bricks, and materials used in the arts 

 not elsewhere specified. 



Seventh Group. — Machinery for grinding or crushing grain, paint, plumbago 

 and other natural products, gearing, millwork, friction pullies and elements of 

 machinery for varying speed or power, all tools used by artisans or in factories not 

 otherwise provided for. 



Department V. — Group 1 — {Part A). 



Judges— Messrs. Thom.\s>J. Sloan, Robert "Wier, Hamilton E. Towle. 



William H. Harris, Providence, R. I., for a steam engine (Corliss'). For the best 

 results on net effective power shown at the trial, being from one to two per cent better 

 than any other on competition, and for superiority of workmanship and general 

 arrangement of valves and valve gearing. First medal and diploma. 



Babcock, "Wilcox & Co., 44 Cortlaudt street, for a steam engine. For the most 

 perfect automatic expansion valve gearing on exhibition. First medal and diploma. 



A. K. Rider, 483 West Twenty-fourth street, New York, for a vertical engine. 

 For a novel arrangement of expansion, valve gearing under the Rider patent, com- 

 bined with general simplicity of design, economy of space, and durability of con- 

 struction. Second medal and diploma. 



William Baxter, Newark, N. J., for a portable steam engine. Novel arrangement 

 of varial)le cut-off, compactness, economy of fuel. First medal and diploma. 



C. H. Delamater, foot of West Thirteenth street. New York, for a steam engine 

 .(Rider's). For great simplicity of expansion, valve gearing as connected with gov- 

 jcrnor. Second medal and diploma. 



S. H. Roper, Boston, Mass., for a caloric engine. Simplest and best application of 

 heated air, utilization of the gases produced in the furnace by combustion, and com- 

 pactness and economy. First medal and diploma. 



R. M. Gallaway, 83 East Fourth street, New York, for a steam and water engine. 

 Second medal and diploma. 



R. K. Huntot)n, Boston, Mass., for a patent governor. Best for stationary 

 pngines. First medal and diploma. 



T. C. Bell, Bellows Falls, Vt, for jack screws. First medal and diploma. 



L.D. Parsons, Tremont, N. Y., for wind mills and pumps. Best application for 

 pumping by wind power. Second medal and diploma. 



T. R. Pickering, 34G West Eleventh street. New York, for steam engine regulators. 

 Cheap and simple. Third medal and certificate. 



Frank Douglass, Norwich, Conn., for globe valves and lubricators. First medal 

 and diploma. 



II. G. Ludlow, Troy, N. Y., for valves. For the best action for water stop valves, 

 first medal and cjiploma. 



