72,082.--PNEUMATIC CAR.--Louis Ransom, Lansingburg, N.Y.
I claim in combination with a pneumatic car, a series of metal cylinders
for containing compressed air, the said cylinders being connected by
pipes, so as to form one common reservoir substantially as described.
2d, I also claim the combination, with a stove for warming the car, or
other heating apparatus, a conducting pipe, for the compressed air, so
located with reference to the stove or other heating apparatus that the
compressed air in passing through it will become heated, and have its
expansive power increased thereby, substantially as described.
3d, I also claim the compound flexible pipe, constructed substantially
as described.
4th, I also claim the muffler, D, for the purpose of deadening the sound
of the escaping air as described.
72,083.--MACHINE FOR SHARPENING SAWS.--E.B. Rich, (assignor to himself
and Andre Cashing), Boston, Mass.
I claim the sliding holder, B. and adjustable rail, C, in combination
with the grinding wheel, D, constructed and arranged to operate as
herein described, for the purpose specified.
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