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Keuffel & Esser Decilon Slide Rule from Canada

The K&E Decilon features decimal-aligned scales for high-precision scientific calculations, popular among physicists and surveyors. Falls under HTS 9017.20.4000 as a specialized mathematical calculating instrument. White celluloid on wood construction with smooth cursor mechanism.

Duty Rate — Canada → United States

13.9%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

Provide scale function charts; customs may test functionality to confirm calculating purpose

Historical replicas must specify reproduction scales identical to originals

Keuffel & Esser Decilon Slide Rule from Canada — Import Duty Rate | HTS 9017.20.40.00