Combination compass-clinometer and hand level

Claim 1

A HAND OR TRIPOD HELD POCKET MAGNETIC SURVEYING COMPASS-CLINOMETER INSTRUMENT COMPRISING A COMPASS CASE AND A CLINOMETER CASE HINGEDLY CONNECTED TOGETHER FOR CLOSURE WITH EACH OTHER, A CENTRAL AXIS MARK ON SAID COMPASS CASE, A COMPASS WITHIN SAID COMPASS CASE, THE SAID COMPASS COMPRISING A LIQUID TIGHT CONTAINER OF TRANSPARENT MATERIAL FILLED WITH A COMPASS DAMPENING LIQUID, A ROTATABLE GRADUATED RING IN SAID COMPASS CASE LOCATED ABOUT THE PERIPHERY OF THE SAID CONTAINER, A PIVOT MEMBER CENTRALLY LOCATED IN SAID CONTAINER, A FIRST CYLINDRICAL SLEEVE AXIALLY LOCATED ABOUT SAID PIVOT MEMBER, THE SAID SLEEVE HAVING A JEWEL PIVOT BEARING AT ITS UPPER END FOR ENGAGEMENT WITH THE SAID PIVOT MEMBER, A GRADUATED COMPASS DIAL AXIALLY MOUNTED ON SAID FIRST ADAPTED TO BE SLEEVE, THE SAID ROTATABLE GRADUATED RING ADAPTED TO BE ORIENTED WITH THE SAID COMPASS DIAL WHEN THE SAID COMPASS DIAL IS ROTATED TO A DESIRED ORIENTATION, A SECOND SLEEVE ROTATABLY MOUNTED ABOUT SAID FIRST CYLINDRICAL SLEEVE AND MOVABLE AXIALLY THEREON, A MAGNET ASSEMBLY MOUNTED ON SAID SECOND SLEEVE CO-AXIAL WITH SAID PIVOT MEMBER AND COMPASS DIAL, MEANS ACCESSIBLE FROM WITHOUT THE SAID COMPASS CASE TO ELEVATE AND DISENGAGE THE SAID COMPASS DIAL AND MAGNET ASSEMBLY FROM SAID PIVOT MEMBER AND TO NON-ROTATABLY ENGAGE THE SAID FIRST CYLINDRICAL SLEEVE AND COMPASS THE DIAL WITH THE SAID CONTAINER, MEANS ACCESSIBLE FROM WITHOUT SAID COMPASS CASE TO ROTATE THE SAID SECOND SLEEVE AND MAGNET ASSEMBLY RELATIVE TO SAID FIRST CYLINDRICAL SLEEVE AND COMPASS DIAL WHEN THE SAID FIRST CYLINDRICAL SLEEVE AND COMPASS DIAL ARE ELEVATED AND ENGAGED WITH THE SAID CONTAINER, A WEIGHTED CLINOMETER IN SAID CLINOMETER CASE, AND SIGHTING MEANS ON SAID COMPASS CASE AND CLINOMETER CASE AND ALIGNED WHEN THE SAID COMPASS AXIS MARK ON SAID COMPASS CASE WHEN THE SAID COMPASS CASE AND CLINOMETER CASE ARE IN THE OPENED POSITION AND IN A COMMON PLANE WITH RESPECT TO EACH OTHER, THE SAID SIGHTING MEANS INCLUDING A MIRROR IN WHICH IS VIEWED FOR DIRECT READING THE MOVEMENT OF SAID WEIGHTED CLINOMETER.