| 74 / | HD | MACHINE ELEMENT OR MECHANISM |
| * | DD | MECHANICAL MOVEMENTS {15} |
| 99 R | | .~ Reciprocating to or from oscillating {5} |
| 100.1 | DF | .~.~> Snap action {1} |
| 101 | DF | .~.~> Compound lever and slide |
| 102 | DF | .~.~> Lever and slide {6} |
| 109 | DF | .~.~> Rack and pinion |
| 99 A | DF | .~.~> Inclined ramp |