Drager, Karl

K TIME

circular reticle of clockwise indexed numbers imprinted upon a transparent plastic overlay, that is positioned or affixed concentrically upon the protective outer cover or crystal of a standard-round-analog clock, timer or watch, to permit the time viewed to be interpreted in tenths or hundreths;

K-GRID

rectangular, clear plastic course-ruler with distance scales on the long edges, and central grid (lines) that permits a navigator to project a course line and measure distance upon a chart or map;

K-NAV

hand-held plastic protractors for use on charts and maps by navigators drawing lines of direction or position;