Liquid level gauge and process of making same

Claim 1

IN A LIQUID LEVEL GAGE, A GAGE HEAD FORMED OF CAST, NON-MAGNETIC MATERIAL, SAID GAGE HEAD BEING ADAPTED TO BE POSITIONED OVER AN OPENING IN A STORAGE TANK FOR INDICATING THE QUANTITY OF MATERIAL IN SAID STORAGE TANK, SAID GAGE HEAD HAVING A PERIPHERAL PORTION WHEREBY SAID GAGE HEAD MAY BE OPERATIVELY CONNECTED IN OPERATIVE POSITION TO SAID STORAGE TANK, A DRIVE MAGNET IN SAID GAGE HEAD, A FLOAT MEMBER CARRIED BY SAID GAGE HEAD AND ADAPTED TO BE POSITIONED IN SAID STORAGE TANK, MEANS OPERATIVELY CONNECTING SAID FLOAT MEMBER TO SAID DRIVE MAGNET FOR ACTUATING SAID DRIVE MAGNET ACCORDING TO THE QUANTITY OF CONTENTS IN SAID STORAGE TANK, AND AN INDICATOR HEAD POSITIONED OVER SAID GAGE HEAD, SAID INDICATOR HEAD INCLUDING A CUP-SHAPED CRYSTAL HAVING A RIM PORTION ENGAGING THE UPPER PORTION OF SAID GAGE HEAD AND CONNECTED THERETO TO CONNECT SAID CRYSTAL TO SAID GAGE HEAD, SIAD CRYSTAL HAVING AN INTEGRAL TRANSPARENT DIAL VIEWING PORTION, A DIAL MEMBER CARRIED BY SAID CRYSTAL IN ALIGNMENT WITH SAID TRANSPARENT DIAL VIEWING PORTION, AND AN INDICATOR MOUNTED FOR PIVOTAL MOVEMENT RELATIVE TO SAID DIAL MEMBER AND ADAPTED TO BE ACTUATED BY SAID DRIVE MAGNET, SAID DIAL MEMBER COMPRISING A MEMBER OF CAST, NON-METALLIC MATERIAL CARRIED BY SAID INDICATOR HEAD INTERMEDIATE SAID DIAL VIEWING PORTION AND SAID RIM PORTION.