PROCEEDINGS OF THE POLYTECHNIC ASSOCIATION. 433 



same, in writing, to the Managers, by the 15th day of January 

 next; the Board reserving to themselves the right of ultimate 

 decision on all questions relating to the premiums. No award 

 will be made, when in the judgment of the Board the competing 

 article or essay falls below the standard, 



[The list of premiums assigned to the Farmer's Club will be 

 found in the report of the meeting of October 28, page 1*7*7.] 



To the Polytechnic Association of the Institute, the Managers have 

 assigned the following subjects : 



1. For the best machineiy for spinning and weaving flax. 

 Large gold medal. 



2. For the best lifting and force pump by hand power. Silver 

 medal. 



• 3. For the best invention for the amelioration of camp life. 

 Gold medal. 



4. For the best novelty in mineral building materials. Gold 

 medal. 



5. For the best machine for preparing mineral building mate- 

 rials. Gold medal. 



6. For the best novelty of practical value extracted or manu- 

 factured from coal oil or coal tar. Gold medal. 



7. For the best improvement in the making of iron or steel. 

 Gold medal. 



8. For any new preparation or application of India rubber. 

 Large silver medal. 



9. For the best lamp for burnino- coal oil without a chimney. 

 Gold medal. 



10. For the best refrigerator. Large silver medal. 



11. For the best novelty in railroad tracks. Gold medal. 



12. For the best machine for setting and distributing type. 

 Gold medal. 



13. For the best farm hygrometer, to cost not more than $2. 

 Silver medal. 



14. For the best mode of heating houses. Gold medal. 



15. For the best original research or monograph on any sub- 

 ject pertaining to the science of chemistry or mechanics, or the 

 practical applications. Gold medal. 



Two discretionary premiums (gold or silver medals,) — to be 

 determined by the Board of Managers. 



[Am. Inst.] BB 



