Electronic apparatus for biological research Electronic apparatus for biological research electronicappara00dona Year: 1958 RELAYS AND RELATED MECHANISMS T â >^/M 1 H r- H2/1 -JK/l L > 'n \ J ^ T' XI (a) L 1 1- X H Y Z (b) Figure High-speed relay scale-of-two: {a) circuit; (b) contact sequence diagram L A B (b) Figure Ring-of-three: (a) circuit; (b) contact sequence diagram 530

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