Liquid switch actuated by a permanent magnet

Claim 1

A MAGNETICALLY ACTUATED LIQUID SWITCH OF THE KIND DESCRIBED COMPRISING A NON-MAGNETIC HOLLOW BODY HAVING FLAT SIDES ON THE OPPOSITE SIDES THEREOF AND CONVEX CURVED WALLS ABOUT THE PERIPHERY OF SAID FLAT SIDES AND CONNECTED THERETO, A PERMANENT MAGNETIC FLOAT IN SAID BODY, A MAGNETIC FLOAT CHAMBER IN SAID BODY, MERCURY IN SAID FLOAT CHAMBER, AN UPSTANDING PARTITION ON ONE SIDE OF SAID FLOAT CHAMBER HAVING AN OPENING THEREIN ADJACENT THE UPPER END THEREOF AN ELECTRODE CHAMBER ADJACENT SAID FLOAT CHAMBER, A NON-MAGNETIC PARTITION IN SAID BODY WITHIN SAID ELECTRODE CHAMBER, MERCURY IN SAID CHAMBERS FOR FLOWING THROUGH SAID OPENING AND OVER SAID PARTITION UPON MOVEMENT OF SAID FLOAT DOWNWARDLY IN SAID FLOAT CHAMBER, SPACED APART ELECTRODES IN SAID ELECTRODE CHAMBER FOR COMPLETING AN ELECTRIC CIRCUIT UPON CONTACT OF SAID ELECTRODES WITH SAID MERCURY HAVING A LEVEL OVER SAID PARTITION, A RESTRICTED OPENING IN SAID FIRST MENTIONED PARTITION BELOW SAID OPENING FOR DELAYING THE FLOW OF MERCURY FROM SAID ELECTRODE CHAMBER UPON MOVEMENT OF SAID FLOAT IN SAID FLOAT CHAMBER AND A PERMANENT MAGNET EXTERIORLY OF SAID BODY FOR RAISING AND LOWERING SAID FLOAT FOR OPENING AND CLOSING THE SWITCH.