Log Log Duplex Trig Slide Rule from Mexico
An advanced slide rule with log-log scales on both sides for exponential and trigonometric calculations in nuclear physics and rocketry. It is a high-end mathematical instrument, fitting under drawing, marking-out or mathematical calculating instruments.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the slide rule is not electronic; it is a manual calculating instrument
• Declare the material (e.g
• magnesium or ivory) for duty assessment
• Provide a product description to CBSA for accurate classification