A durable plastic template, printed on both sides, which eliminates the need for sight reduction work forms. With the Sight Solver and any pad of paper you can correct and reduce sights (using H.O. 229, H.O. 249, or the Nautical Almanac), determine your latitude by the Sun and Polaris, and plot lines of position using the templates as a plotter. Degrees and their reciprocals are printed around one end and a right angle slot is provided for aligning the intercept to the line of position. Measuring 6" X 8 3/4" the Sight Solver fits neatly into the Nautical Almanac. SW 0.1 lbs.

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