Navigational course finder

Claim 1

A NAVIGATIONAL COURSE FINDER DEVICE COMPRISING: (A) A HORIZONTAL CIRCULAR DISC PIRMARY COMPASS ROSE HAVING PLANAR UPPER AND LOWER SURFACES ADAPTED TO LIE SUBSTANTIALLY PARALLEL UPON A CARTOGRAPHIC CHART, SAID COMPASS ROSE HAVING A VERTICAL PRIMARY PIN INTERSECTING THE GEOMETRIC CENTER OF THE COMPASS ROSE, THE LOWER PORTION OF SAID VERTICAL CENTAL PIN BEING OF A CONVERGENT CONFIGURATION TO PROVIDE A LOWER ANCHOR MEANS, A CENTRAL PORTION OF THE COMPASS ROSE BETWEEN THE VERTICAL PRIMARY PIN AND THE PERIPHERAL ANGULAR INDICIA BEING VISUALLY TRANSPARENT, (B) A PRIMARY ELONGATE FLEXIBLE ARM HAVING PLANAR UPPER AND LOWER SURFACES SUPERIMPOSED UPON THE PRIMARY COMPASS ROSE, SAID ELONGATE ARM BEING ROTATABLY AND PIVOTALLY ATTACHED TO THE PRIMARY COMPASS ROSE WITH SAID VERTICAL CENTRAL PRIMARY PIN, SAID VERTICAL CENTRAL PIN PASSING THROUGH THE PRIMARY ELONGATE ARM NEARER TO THE FIRST END THEREOF, THE PRIMARY ARM FIRST END EXTENDING BEYOND THE PRIMARY COMPASS ROSE TRANSPARENT CENTRAL PORTION SO AS TO BE ADJACENT TO THE PERIPHERAL ANGULAR INDICIA THEREOF, THE PRIMARY ARM FIRST END BEING INTEGRALLY PROVIDED WITH A POINTER MEANS, SAID PRIMARY ELONGATE ARM HAVING A GRADUATED CARTOGRAPHIC DISTANCE SCALE COMMENCING AT THE VERTICAL CENTRAL PRIMARY PIN AND EXTENDING TOWARD THE PRIMARY ARM SECOND END, THE GRADUATE SCALE LENGTH OF THE PRIMARY ARM HAVING A LONGITUDINAL CENTRAL SLOT, SAID PRIMARY ARM INCLUDING A LUG SLIDABLY DISPOSED ALONG THE PRIMARY ARM LONGITUDIANL SLOT, (C) A SECONDARY COMPASS ROSE OF DISK-LIKE SHAPE AND HAVING A PLANAR BOTTOM SURFACE THAT IS FRICTIONALLY ENGAGED WITH THE PRIMARY ARM UPPER SURFACE, SAID SECONDARY COMPASS ROSE BEING PIVOTABLY AND REVOLVABLY ATTACHED TO THE SLIDABLE LUG BY MEANS OF A SECONDARY VERTICAL PIN INTERSECTING THE GEOMETRIC CENTER OF THE SECONDARY COMPASS ROSE AND THE SLIDABLE LUG, SECONDARY PIN EXTENDING UPWARDLY FROM SAID SECONDARY COMPASS ROSE AND EXTENDING DOWNWARDLY FROM THE SLIDABLE LUG, (D) A PIVOTAL INDICATOR HAVING A PLANAR LOWER SURFACE THAT IS FRICTIONALLY ENGAGED WITH THE SECONDARY COMPASS ROSE UPPER SURFACE, SAID PIVOTAL INDICATOR BEING PIVOTABLY ENGAGED BY THE UPPER EXTENSION OF THE SECONDARY PIN, AND (E) A VISUALLY TRANSPARENT SECONDARY ELONGATE ARM HAVING PLANAR UPPER AND LOWER SURFACES, THE UPPER SURFACE THEREOF ABUTTING THE LOWER SURFACE OF THE PRIMARY ELONGATE ARM, THE LOWER EXTENSION OF THE SECONDARY VERTICAL PIN PASSING THROUGH THE SECONDARY ELONGATE ARM ADJACENT TO THE FIRST END THEREOF SECONDARY THAT THE SECONDARY ELONGATE ARM IS PIVOTABLY AND REVOLVABLY ENGAGED WITH THE SLIDABLE LUG, SAID SECOND ARY ELONGATE ARM HAVING A GRADUATED CARTOGRAPHIC DISTANCE SCALE MARKINGS ALONG THE LONGITUDINAL LENGTH THEREOF, THE LONGITUDIANL CENTRAL AXIS OF THE SECONDARY ELONGATE BAR BEING VISUALLY MARKED, THE VERTICAL THICKNESS OF THE SECONDARY ELONGATE ARM BEING SUBSTANTIALLY EQUAL TO THE THICKNESS OF THE PRIMARY COMPASS ROSE TRANSPARENT CENTRAL PORTION.