Patent for a simple and efficient drag-saw that can be easily transported and adjusted. The saw can also be lifted during operation if necessary. It has a frame, a longitudinally-grooved guiding-bracket attached to the frame, a reciprocating pitman-head that slides into the frame, a crank-shaft that operates the pitman-head, an arm that carries the saw with a pivotal connection to the pitman-head, a saw-frame secured to the pitman-head's outer end, an adjustable strap between the saw-carrying arm and the saw-frame for adjusting the saw-frame, a spring between the arm and the pitman-head, a saw-lifting lever fulcrumed on the machine-frame, a pendent stirrup carried by the lifting-lever and slotted to control the saw-carrying arm, and a guiding-bracket with a slot where the stirrup slides and another slot where the arm moves.

Patent for a calculator "in which a bar having a series of numbers thereon slides in a frame or base also provided with a series of numbers" (lines 10-12). It is meant for quickly adding numbers.