Sector Mathematical Instrument from Canada
Brass sector with proportional scales for multiplication, division, and geometric calculations. HTS 9017.20.80 as historical mathematical calculating instrument. Pivoting arms similar to slide rule operation.
Duty Rate — Canada → United States
14.6%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Historical instrument declarations with age proofs
• Avoid modern replica misdescription
• Educational end-use statements support Chapter 90