Hemmi 257 Bamboo Slide Rule from China
The Hemmi 257 is a 10-inch bamboo slide rule with Mannheim and trigonometric scales for advanced engineering calculations. It is a traditional mathematical calculating instrument, qualifying under drawing, marking-out or mathematical calculating instruments.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the slide rule is not electronic; it is a manual calculating instrument
• Declare the bamboo material for accurate duty rates
• Keep the original packaging or documentation showing it is a mathematical instrument