Multi-height comparator and gauge

Claim 1

A MULTI-HEIGHT COMPARATOR COMPRISING (A) A BASE, (B) A CYLINDRICAL POST EXTENDING UPWARDLY FROM SAID BASE, AND (C) AN INDICATING MEMBER REMOVABLY MOUNTED ON SAID POST FOR VERTICAL ADJUSTMENT THEREON AND FOR ANGULAR ADJUSTMENT ABOUT THE AXIS OF SAID POST, (D) SAID INDICATING MEMBER COMPRISING A SPLIT CLAMP SURROUNDING SAID POST AND HAVING CONFRONTING LUGS, (E) A HEADED SCREW SLIDABLE THROUGH ONE OF SAID LUGS AND THREADING INTO THE OTHER TO TIGHTEN SAID CLAMP ON SAID POST, AND (F) A RESILIENT MEMBER SURROUNDING SAID SCREW AND INTERPOSED BETWEEN THE HEAD OF SAID SCREW AND SAID ONE LUG TO EXERT PRESSURE ON SAID ONE LUG TO HOLD SAID CLAMP RESILIENTLY IN ANY ADJUSTED POSITION ON SAID POST WHILE PERMITTING THE ADJUSTMENT OF SAID CLAMP ON THE POST PRIOR TO TIGHTENING OF THE SCREW, SAID RESILIENT MEMBER BEING DISPOSED IN A CUP-SHAPED WASHER WHICH IS DISPOSED BETWEEN THE HEAD OF SAID SCREW AND SAID RESILIENT MEMBER AND NORMALLY HELD AWAY FROM SAID ONE LUG BY SAID RESILIENT MEMBER, AND SAID RESILIENT MEMBER BEING COMPRESSIBLE, UPON TIGHTENING SAID SCREW, TO CLOSE THE GAP BETWEEN SAID CUP-SHAPED WASHER AND SAID ONE LUG TO TIGHTEN SAID CLAMP ON SAID POST.