Electrical indicating instrument with a permanent

Claim 1

IN AN ELECTRICAL INDICATING INSTRUMENT: AN OPEN TOP CASING OF DIELECTRIC MATERIAL HAVING A BOTTOM WALL, A TRANSPARENT FRONTAL WINDOW WALL, A BACK WALL, AND OPPOSITE SIDE WALLS; AN OUTWARDLY CONVEXED SCALE VISIBLE THROUGH THE WINDOW WALL OF THE CASING; AN ELEMENT FASHIONED TO U-CONFIGURATION FROM NON-FERROUS METAL, SAID ELEMENT BEING SET INTO THE CASING WITH END PORTIONS OF ITS LEGS PROTRUDING THROUGH THE BACK WALL OF THE CASING TO SERVE AS TERMINAL PRONGS; A MOVEMENT UNIT COMPRISING A BRACKET, AN ARBOR PIVOTALLY SUPPORTED BY THE BRACKET, A POINTER HAND AND A PERMANENT MAGNET IN THE FORM OF A CROSS BAR AFFIXED TO THE ARBOR, SAID MOVEMENT UNIT BEING SET INTO THE CASING WITH THE AXIS OF THE ARBOR COINCIDENT WITH THE CENTER OF CURVATURE OF THE SCALE, AND WITH THE END OF THE POINTER HAND OVERLYING THE SCALE, AND WITH THE BAR MAGNET ON THE ARBOR IN PROXIMITY TO THE TRANSVERSE PORTION OF THE U-SHAPED ELEMENT FOR REACTION WITH FLUX CREATED AS CURRENT IS PASSED THROUGH SAID ELEMENT TO CAUSE THE POINTER HAND TO MOVE RELATIVE TO THE SCALE; AND A COVER OF DIELECTRIC MATERIAL SECURED OVER THE OPEN TOP OF THE CASING.