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Quick Reference Celestial Navigation Card
A simplified, yet complete Celestial Navigation system. Includes everything you need: sextant use and corrections, star finder for 18 stars, data entry form, and step-by-step sight reduction and plotting procedures. May be scored and separated; a large portion fits in the sextant case for quick reference, and a small part acts as a waterproof data reduction card.
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![Davis Quick Reference International Navigation Rules Card [127]](https://cdn11.bigcommerce.com/s-dbaeft6mdz/images/stencil/500x659/products/79923/84062/98316XL__41038.1735998645.jpg?c=1 "Davis Quick Reference International Navigation Rules Card [127]")
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![Davis Quick Reference Boating Guide Card [128]](https://cdn11.bigcommerce.com/s-dbaeft6mdz/images/stencil/500x659/products/79924/84063/98317XL__89397.1735998648.jpg?c=1 "Davis Quick Reference Boating Guide Card [128]")