| 126 / | HD | STOVES AND FURNACES |
| 569 | DF | SOLAR HEAT COLLECTOR {18} |
| 600 | ![]() | .~ With means to reposition solar collector for optimum radiation exposure {6} |
| 601 | DF | .~.~> Computer |
| 602 | DF | .~.~> Timer {1} |
| 604 | DF | .~.~> Having fluid power |
| 605 | DF | .~.~> Motor {1} |
| 607 | DF | .~.~> Gearing |
| 608 | DF | .~.~> Manual |