72,063.--CONVERTIBLE SHOT GUN AND RIFLE.--Samuel McCulloch, Yellow
Springs, Ohio.
I claim, 1st, The removable barrel, C, constructed with external
collars, c, and secured within a shot gun barrel, A, by a screw, D,
substantially as and for the purposes set forth.
2d, Also the plug, F, for the purposes set forth.
72,064.--DERRICK.--D. J. McDonald, Gold Hill, Nevada.
I claim, 1st, The derrick standard, L, and frame, K, fitted in the
derrick frame, J, and arranged as shown, for the ready adjustment of the
standard, L.
2d, The fitting of the derrick frame, J, on the wagon frame, as shown,
to wit by means of the circular plate, D, frame, F, and circular plate,
G, with the wheel, E, and pinion, Y, to admit of the ready turning of
the derrick, as set forth.
3d, The supports, D, provided with screws, a, and attached to the frame,
B as shown, in connection with the levels, b, in platform, C, for the
purpose of levelling the device, substantially as described.
4th, The angular platform, C, applied to the wagon, A, when used in
combination with a revolving derrick frame, J, substantially as and for
the purpose specified.
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