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Various

"A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures."


STOVE.--T. W. Wisner, Howell, Mich.--This invention relates to a new and
improved method of constructing those stoves which are used for drying
purposes or for heating water, or steaming vegetables and for all other
purposes of a similar nature, and the invention consists in rendering
the stove portable by providing for supporting the same on truck wheels
which allows of its being transported from place to place, as may be
required.
FURNACE HOT AIR BLAST.--Richard Long, Chillicothe, Ohio.--This invention
relates to a new and improved method of constructing and arranging
the air pipes for heating the air blast for furnaces for smelting
and reducing the ores in the manufacture of iron, having particular
reference to the materials of which the air pipe is formed, the
method of its construction, and also to the materials and method of
construction of the supporting walls.
PRINTING POINTERS.--R. W. Macgowan, New York city.--This invention
relates to a new and improved application of pointers to printing
presses for registering the sheets of paper as they are fed to the
press. Hitherto these pointers have been operated automatically, from
the running parts of the press allowed to remain in an elevated or
nearly upright position, and through the sheet until the fingers or
nippers of the cylinder arrive in proper position to grasp the sheet, at
which time the pointers are drawn down and the sheet released, so that
it may be connected with the cylinder, and related with the same in
order to receive the impression.


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