
The Davis Instruments Celestial Navigation Card provides a simplified yet complete guide to Celestial Navigation. Includes everything you need: sextant use and corrections, starfinder for 18 stars, data entry form and step-by-step sight reduction and plotting procedures. May be scored and separated; large portion fits in sextant case for quick reference and small part acts as a waterproof data reduction card. | ||||||||
|
||||||||
| ||||||||
|