The late Dr. Robert Hare. 103 
that owing to his zeal and skill in this department of chemical 
hysics, American chemists were enabled to employ with distin- 
ad already, nearly twenty-five years before, accomplished all 
that he had. 
praise, 
the best results then Boe ae 
It was with one of Hare’s deflagrators that Silliman in 1823 
first demonstrated the volatilization and fusion of carbon, a re- 
iman’s results having been confirmed and extended by Des- 
‘The deflagrator was invented in 1820. Four earlier 
i ent which he called the 
netic and heating effects of this instrument were surprising, and 
to this day no other form of voltaic apparatus appears to occa- 
projectile or intensitive force. By it, large rods of iron at oan 
then fused with splendid phenomena, while at 
hardly ponies visible spark can be 
made to by it through poles rbon. ee 
The singniae effocte attributed by Dr. Hare to his Calorimotor 
aye since been shown by Prof. Henry to be attainable, as is 
conductors. 
* Faraday’s Experimental Researches, 1124, 1132. 
+ This Journal, [1], vol. iii, p, 105. 
