A Car Wheel and Axle

1885 Scientific American  
A wrench especially designed for turning the nuts on fishplates is shown herewith, Fig. 1 representing the wrench as applied on the rail, and Fig. 2 giving a side view. It is so constructed, it will be seen, as to turn two nuts at the same time. The main lever bar has a slot, and on the lower end a squared recess for receiv ing the nut; from this bar also projects a stud or pin, and a bolt through the slot holds another lever bar, curved as shown, and having on its lower end a squared GOODSON'S
more » ... WRENCH. recess for receiving another nut. This second lever bar has a downwardly proj ecting lug, to eng�e the stud or pin on the main bar, and regulate the distance the second lever bar is allowed to drop. In operation, as the main lever bar is pushed forward, the bolt at taching the second lever bar slides upward in the slot, and two nuts are thus turned at once. This invention has been patented by Mr. William D. Goodson, of Eufaula, Ala. other roads say flve empty cars equal three "loads," or two "loads;" others, seven" empties" as three or four "loa. ds," and thus it will be seen that a comparison on
doi:10.1038/scientificamerican09051885-146b fatcat:ec6dti3z3fbxdakimmzbigz6uy