Sector Mathematical Instrument from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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