Inventions or discoveries. V.-Classified lis' of patents, &c.-Continued. Patentees. Residence. CLASS VIII.-Mathematical, philosophical, and optical instruments, including clocks, chronometers, &c. CLASS IX.-Civil engineering and architecture, comprising works, rail and common roads, bridges, canals, wharfs, docks, rivers, wiers, dams, and other internal improvements, buildings, roofs, &c. V.-Classified list of patents, &c.—Continued. CLASS X.-Land conveyance, comprising carriages, cars, and other vehicles used on roads, and parts thereof. Car seats. Car seats.. Carriages. Carriages. Hubs and axles, connecting and disconnecting Hubs, for boxes, machine for preparing......... V.-Classified list of patents, &c.-Continued. CLASS XI.-Hydraulics and pneumatics, including water wheels, wind mills, and other implements operated on by air or water, or employed in raising or delivering fluids. CLASS XII.-Lever, screw, and mechanical power, as applied to pressing, weighing, raising, and moving weights. |