56 [Assembly 



Lardner & Davidson, 45 Leroy-street, for an apparatus for curing 

 meat and impregnating timber with various salts. Silver medal. 



William Boardman, for a steam pump for wrecking purposes. 

 Gold medal. 



John D. Ward, Jersey City, N. J., for a drilling machine. Silver 

 medal. 



Daniel Barnum, New-York, for an apparatus to prevent explo- 

 sions of steam boilers and flues in steamboats. Silver medal. 



Mark Poole, 23 Amity Place, for portable force pumps and gard- 

 en syringes. Diploma. 



Mathematical and Philosophical Instruments. 



Henry Fitz, 508 Fourth-street, for an improvement in the object 

 glass of an achromatic telescope, for which a gold medal was 

 awarded last year. Silver medal. 



Henry Fitz, 508 Fourth-street, for an improvement in a stand for 

 a telescope. Diploma. 



S, B. Smith, 297 1 Broadway, for a well made magnetic machine. 

 (Silver medal having been before awarded.) Diploma. 



Thomas C. Avery, 77 Charlton-street, for a magnetic bath. Di- 

 p^loma. 



James P. Gardner, W. A. Piatt, agent, Columbus, Ohio, for a well 

 made and ingenious sun dial. Diploma. • 



Robert Day & Co., 25 Ann-street, for Palmer's computing scales. 

 (Silver medal having been before av\arded.) Diploma. 



William Jones, 275 Spring-street, for an improvement in the as- 

 tral chronometer, for %vhich a silver medal was awarded last year. 

 Diploma. 



James McCoskrie, Carabridgeport, Mass., Davenport, Quincy & 

 Co., agents, 81 John-street, for a spirit level. Diploma. 



H. M. Babbitt, Providence, R. I., for a micrometer — an excellent 

 specimen of graduation, of superior workmanship. Silver medal. 



Thomas Fisher, Philadelphia, Ptnn., for an astronomical device. 

 Diploma. 



S. S. Graham, Brooklyn, L. L, for an improvement in the con- 

 struction of a camera obscura. Diploma. 



E. M. Bryam, Sag Harbor, L. I., for an improvement in the sus- 

 pension of the mariners' compass. Diploma. 



Mechanical Drawing. 



Thompson Kingsford, Bergen, N. J., for the best mechanical draw- 

 ing. Diploma. 



