Miscellaneous prem : 277 
inches i in diameter forming the entrance to the fire-pla ace, which is 
and ne ap of the door and prevent it from warping in the on 
or while in use. The door is _e on very stout , and during 
pene forward under the lower half of the eevlinde, then . and 
ackward around the upper half to a chimney at chee 
corners of the brick work. far a hole twelve erent 
the back head is attached a cast iron pipe which carries the volatile 
90. agar of the distillation to a suitable condenser. Such a retort 
ol 
