Also, in combination with such a plow, inclines, or shares, fixed, with
respect to the frame by which they are supported, substantially as
described.
71,903.--STEAM GENERATOR.--Isaac R. Oakford, Philadelphia. Pa.
I claim a steam generator, composed of a series of cylindrical boilers,
of round ends, provided with openings for steam and water, and arranged
in a vertical and inclined position, in the manner and for the purpose
above set forth and described.
71,904.--CASTER FOR FURNITURE.--P.B. O'Brien and Wm. E. Sparks, New
Haven, Conn., assignors to P.B. O'Brien.
We claim the arrangement of the spring, a, in the spindle, B,
and combined with the socket, C, so as to operate in the manner
substantially as described.
71,905.--RAILWAY FROG.--Staats N. Park, Bloomsbury, N.J.
I claim, 1st, So constructing the frogs of railways that the frog plate
and the rail or track sections, guard rails, and frog point are separate
from each other, and so that the rail sections and guard rails and frog
point can be inserted in or attached to and detached from the frog
plate, for the uses and purposes set forth.
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