Pickett N3 Slide Rule from Canada
The Pickett N3 is a classic duplex slide rule designed for engineering and scientific calculations, featuring logarithmic scales for multiplication, division, trigonometry, and logarithms. It falls under HTS 9017.20.4000 as a mathematical calculating instrument used for manual computations without electronic components. Primarily used by students and professionals before the advent of electronic calculators.
Duty Rate — Canada → United States
13.9%
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
• Verify the instrument is purely mechanical/non-electronic to avoid reclassification under Chapter 85 calculating machines
• Include detailed scale descriptions and historical/educational use in commercial invoice to support classification