COMMUNICATION^ TO THE LEGISLATURE. 



To the IIonovaMe the Legislature of the State of I^exo York : 



The undersigned, in presenting the thirtieth annual report of the 

 American Institute of the city of New York, beg leave to state that 

 its transactions for the year ending in April, 1870, are very fully and 

 clearly set forth in tlie annexed documents, which contain, 



I. The report of the retiring Trustees, made at the last annual 

 meeting of the Institute, held February 8d, 1870. 



II. An exhibit of receipts and expenditures. 



III. The action of several standing committees. 



ly. The operations of the Board of Managers, including a list of 

 awards made at the last Industrial Exhibition. 



Y. x^ddresses delivered before the Institute during the Exhibition. 

 YI. Scientific lectures delivered before the Institute in the Great 

 Ilall of the Cooper Union. 



YII. The discussions of the Farmers' Club, including a large por- 

 tion of its extensive correspondence. 



YIII. The transactions of the Polytechnic Association, embracing 

 descriptions of new inventions, and notes on the progress of scientific 

 investigations, at home and abroad. 



IX. The proceedings of the Photographical Section of the Ameri- 

 can Institute. " • 

 All of which is respectfully submitted. 



HOEACE GPvEELEY, President. 

 CIIAS. P. DALY, 

 WM. HALL, 

 NATHAN C. ELY, 

 GEO. PEYTON, 

 SAM'L D. TILLMAN, 

 S. K. COMSTOCK, 

 Trudees of the American Institute. 

 New York, April Vlth, 1870. 



