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 |