This is a Celesticomp V navigational calculator, with programs to assist the user in working out sun or star sights to position a yacht anywhere on the earth's oceans. It is in excellent condition, and was manufactured by Sharp Electronics in Japan. It includes the RAM module and the original manual.
As a bonus, I'll send the winning bidder the classic book, Celestial Navigation for Yachtsmen, by Mary Blewitt. Well worth reading.
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