Hemmi 257 Bamboo Slide Rule from Germany
The Hemmi 257 is a 10-inch bamboo slide rule with Mannheim and trigonometric scales for advanced engineering calculations. It qualifies under HTS 9017.20.4000 as a traditional mathematical calculating instrument valued for precision and collectibility. Crafted from laminated bamboo with metal cursor for durability.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document bamboo lamination process and scale precision to distinguish from decorative wooden articles
• Collector's items require origin certificates; HTS classification unaffected by age but affects valuation
• Avoid classifying with protective cases; separate leather/metal cases go to Chapter 42