--Richard Long, Chillicothe, Ohio.
I claim, 1st, Constructing the air pipe of a furnace-blast heater of
fire clay, substantially as described.
2d, Constructing the air pipe of an oval or other equivalent form, and
uniting the sections of which it is composed by socket joints, with
clumps and keys, substantially as shown and described.
3d, Forming the supporting walls, B, of firebrick, with iron plates
between the courses, substantially as shown and described,
4th, Placing an open or a solid plate beneath the air pipe,
substantially as and for the purposes herein described.
72,057.--CLOTHES RACK.--Eugene F. Lyman, Indianapolis, Ind.
I claim the combination and arrangement of the semi-circular racks G and
H, the arms, f and c, the sockets and staples for the arms, and the box,
A B C D, all operating substantially as and for the purpose specified.
72,058.--CENTER BOARD FOR VESSELS.--E. J. McFarlin, San Francisco, Cal.
I claim the location of the center boards, or other equivalent devices
for the same specific purpose, in the extreme bow and stern of vessels,
that is to say, the placing of the said boards forward of the foremast
or aft of the mainmast, in two masted vessels, and forward of
the foremast and aft of the mizzen mast in three masted vessels,
substantially as shown and described, and for the objects and purposes
specified.
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