| 74 / | HD | MACHINE ELEMENT OR MECHANISM |
| * | DD | MECHANICAL MOVEMENTS {15} |
| 63 | | .~ Rotary to rotary {6} |
| 64 | DF | .~.~> Inertia or centrifugal transmitters |
| 65 | DF | .~.~> Crank, pitman, lever, and crank |
| 66 | DF | .~.~> Crank, lever, and crank |
| 67 | DF | .~.~> Crank, pitman, and crank |
| 68 | DF | .~.~> Cranks, link connected |
| 69 | DF | .~.~> Cranks, slidable connections |