| 194 / | HD | CHECK-ACTUATED CONTROL MECHANISMS |
| 239 | DF | INCLUDING ELECTRIC CIRCUIT WITH SWITCH OPERATED BY CHECK {3} |
| 240 | DF | .~ And holding circuit responsive to operation of switch {1} |
| 241 | ![]() | .~.~ Controlled by timer {1} |
| 242 | DF | .~.~.~> Weight of check operates switch |