The Jean Cras Evolution Rule is a modernized version of the renowned navigation rule originally developed by Admiral Jean Cras in 1917. This updated design offers enhanced clarity and usability, reducing common errors made by novices.
- Enhanced Design: Features a clearer layout compared to the original, facilitating easier use for both beginners and experienced navigators.
- Two-Colour Engraving: Utilizes two-colour engraving on 1 mm PVC, ensuring durability and legibility.
- Official Approval: Approved by the Merchant Navy, the National Navy, Civil Aviation, and the Air Force, underscoring its reliability and precision.
Technical Specifications
- Length: 385 mm
- Material: High-quality 1 mm PVC with two-colour engraving
- Graduations: Black graduations with two scales
- Dimensions: 385 x 100 mm
Materials
- Primary Material: 1 mm PVC
- Engraving: Two-colour engraving
Dimensions
- Length: 385 mm
- Width: 100 mm
Compatibility Information
The Jean Cras Evolution Rule is designed for use in maritime navigation and is approved by various military and civil aviation authorities, indicating its suitability for professional and recreational use in these fields.