REPORT 



OF Tin: rO.\[MITTi:K ox MANTFAOTrinvS, SCIENCE AND Ai; 

 OF 'I'lir: AMEKIUAX INSTFITTE. 



The Coiniiiittcc on Maiuit'acturcs, fScioncc and Art, report: 



That the several subjects referred to them during the past 3'ear, 

 Mitli «ine exoej)(ion, have been carefully exaraiucd, and iheir con- 

 clusions are embodied in reports previously presented. 



The investitration as to the merits of the new Chemical Nomencla- 

 ture and notaiioii, has been postponed at the request of the author 

 until he can present his paper in print. 



The Managers of the Institute having decided that it was inex- 

 pedient to hold a Fair in 1><M, the large class of inventors and 

 manufacturers, who are attracted by a liberal offer of premiums, 

 have not mad*' lh<ir annual contributions of Mechanical and Chemi- 

 cal novelties. 



The Polytechnic Association, under the charge of your Committee, 

 was organized for the year by the re-appointment of its otlicers 

 whose term of service will expire on the first day of May next. Of 

 the |)unctual di.'^chaige of ofhcial duties it is only necessary to remark 

 that the Chairnnni has not failed to attend n sin.ule meetinc: since his 

 tiist appointment, more than tv.o years ago. J)uring the past year 

 he has made Aveckly reports to tin- Association, on the progress of 

 invention and di'-covery, in Avhich aic briefl}' dcscrilied the principal 

 novelties brought out in both the old and new Avorld. 



'J'he debutes of the rolytechnic have embraced a wide i.inge of 

 topics. Those relating to the Army and Navy, and to the wonder- 

 ful ilevelopment of the lVtic)leum region of our own countiy. having 

 licited more than ordinary interest. 



In the volmne of Transactions for 1.SG3, just published, will be 

 found .several extended discussions on iron clad ves.sels-of-war. At 

 one of these debates, in whieh the late Com. Wm. B. Porter j)artici- 

 pati d. a large delegation of ofhcers from ih:' IiUs.»i;in lliH't, undi'r 

 Ailiniial Les>olVsky, was in attendance. The princip.al novelties 

 described in the volume alluded to are ste.am surface condensers, the 

 new steam engine nivented l)y .1. \). lioot. the new steam gauge by 

 Shaw it Justice, the Ilarison globe lens, the glass reflectoi- by Dr. 



