Flight log and approach chart presentation apparatus

Claim 1

A FLIGHT LOG AND APPROACH CHART PRESENTATION APPARATUS COMPRISING: (A) A HOUSING HAVING FIRST AND SECOND SECTIONS EACH INCLUDING SPACED SIDE WALLS JOINED BY A FRONT WALL AND A REAR WALL SPACED FROM THE FRONT WALL, THE SECTIONS BEING HINGED TOGETHER AT ONE END FOR RELATIVE MOVEMENT FROM A CLOSED POSITION IN WHICH SAID REAR WALLS ARE IN SUPERIMPOSED RELATION TO AN OPEN POSITION IN WHICH SAID REAR WALLS ARE SEPARATED TO PERMIT A CHART TO BE PLACED BETWEEN SAID REAR WALLS SO AS TO BE GRIPPED THEREBY WHEN IN SAID CLOSED POSITION. (B) A TRANSLUCENT PANEL FIXED IN AN OPENING IN THE FRONT WALL OF SAID FIRST SECTION, (C) THE REAR WALL OF SAID FIRST SECTION PRESENTING A REFLECTIVE SURFACE TOWARD SAID TRANSLUCENT PANEL, (D) MEANS FOR INTRODUCING DIFFUSED LIGHT INTO THE SPACE BETWEEN SAID FRONT AND REAR WALLS OF SAID FIRST SECTION FOR ILLUMINATING SAID TRANSLUCENT PANEL TO DISPLAY MARKINGS THEREON TO A VIEWER, (E) SAID REAR WALL OF SAID SECOND SECTION COMPRISING A FIRST TRANSPARENT PANEL FOR ENGAGING A CHART WHEN GRIPPED BETWEEN SAID REAR WALLS, AND SAID FRONT WALL OF SAID SECOND SECTION COMPRISING A SECOND TRANSPARENT PANEL SPACED FROM THE FIRST TRANSPARENT PANEL TO PERMIT VIEWING OF SAID CHART THROUGH SAID TRANSPARENT PANELS, SAID SECOND TRANSPARENT PANEL HAVING A PARTIALLY MIRRORED INNER SURFACE FACING SAID FIRST TRANSPARENT PANEL, AND (F) MEANS FOR INTRODUCING DIFFUSED LIGHT BETWEEN SAID TRANSPARENT PANELS FOR ILLUMINATING SAID CHART.