| 429 / | HD | CHEMISTRY: ELECTRICAL CURRENT PRODUCING APPARATUS, PRODUCT, AND PROCESS |
| 67 | ![]() | HAVING MOVABLE MECHANICAL MEANS TO PROVIDE RELATIVE MOTION BETWEEN ELECTRODE AND ELECTROLYTE {2} |
| 68 | DF | .~> Means moves electrode {1} |
| 70 | DF | .~> Means moves electrolyte externally of electrode chamber |