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2
979,400
riphery, an inner drum having a back head
slightly spaced from the back head of the
outer drum, a centrally disposed bolt con-
necting said heads. a damper plate pivoted
5 on said bolt and having a series of slots
similar to the slots in the back head of the
outer drum and adapted to register there-
with, means projecting through the outer
drum to rotate said damper on its pivot, a
lo permanent annular closure between the front
ends of said drums, a swvinging door for the
front end of the inner drum,-and stove pipe
connections oppositely disposed intermediate
the ends of said outer drum.
In testimony whereof, I affix my signa- 15
ture, in presence of two witnesses.
JOHN B. PASCUE.
Witnesses:
W. S. L. PEARCE,
C. M. MTTCITELL.