3d, The gas pipe, c, when constructed and arranged with relation to the
chamber, F, and one of the pipes, b, as described, in combination with
the valve, J, for the purpose set forth.
4th, The combination of the concentric or annular chamber, F, and
pipes, b, with the cup furnace or heat retort, H, when the latter is
constructed as described, and shown upon the drawings, and occupies the
relation to the former herein set forth, for the purpose set forth.
5th, The pipe, d, in combination with one of the pipes, b, for the
purpose of affording a light for illuminating purposes, as herein
described.
71,884.--SHAFT COUPLING.--John Keesey, Chester, Pa.
I claim the combination of the box, hub, or shell, B, reverse
wedge-shaped blocks, C C', and bolts, D D', with their nuts, E E', or
the equivalents of these devices, arranged for operation together,
substantially as and for the purposes herein set forth.
71,885.--CLAMP SCREW.--Charles L Kingsley (assignor to Charles Parker),
Meriden, Conn.
I claim the nut, E, formed with the seats, F, and the lever, G, formed
with the trunnions, I, so as to be combined and operate in the manner
and for the purpose described.
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