My 2nd invention
PLOTTING RULE
For plotting course,bearing,azimuth,...on the navigation chart
The advantage and versatility of this instrument over the conventional plotters has been proved and appreciated by seamen and airmen.
It is extremely quick and easier in use and the risk of mistake is widely reduced.
The rule is convenient in plotting courses and bearings on the chart.Horizontal angles may be plotted and many other navigational functions performed speedily and efficently.
For Astro-navigation the rule will be found particularly convenient in the plotting of Azimuths and position lines.
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In 1997: Trophee and Gold with mention medal in the 3th world invention and innovation exhibition of Casablanca.
In 1998: Trophee and Gold with mention medal in the 4th world invention and innovation exhibition of Casablanca.
 The plotting rule
and it's pocket
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