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![Davis Quick Reference Celestial Navigation Card [132] Brand_Safe-T-Alert Can be used in conjunction](https://cdn.shopify.com/s/files/1/0447/7544/0545/files/98320XL.jpg?v=1769655633)
Can be used in conjunction with the E66019 ST69 speed and temperature sensor
With great design features
UPC: 014717583596
UPC: 857515002285
Multi-layer filter provides a spectral response that closely matches the Erythema Action Spectrum
Davis Quick Reference Celestial Navigation Card [132] Brand_Safe-T-Alert Can be used in conjunctionQuick 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.
