APPENDIX. 
selene 
Notice of the Galvanic Deflagrator of Professor Rosen 
Hane, M. D. of the University 0 Se tae Coinage in a let- 
ter to that gentleman from the 
Yar Coste October 23d, 1821 ch 
My. Dear Sir, he 
I was much impressed by your account of the ‘Salsa 
Deflagrator, and of the fine experiments which you perform- 
ed with it, as described in the 3d Vol. (pa. 105) of this 
Journal. By means of your kindness in sending me your 
original apparatus, (the only one which, as far as 1 am in- 
formed, has hitherto been constructed,) Sind it in my pow- 
er, early in the month of June, to repeat your experiments 
in my public course of lectures. Large numbers of intelli- 
gent persons attended, in addition to the classes, and the re- 
sults gave great pleasure and satisfaction. My health being, 
at that time, very feeble, it was not in my power to pursue 
the subject to the extent which I had intended, and expect- 
=— to resume it, I had postponed the writing of a notice 
instrument, hoping that by and by, I could do it more to 
my own satisfaction. But as no one else appears to have re- 
arnt rye late 
moment, to throw a gues notice into the . 
* Your Calorimotor I have never possessed. 
Wet. 203..a:f00. 1. 26 
