United States v. John H. Faunce (Inc.)

The merchandise involved in this appeal from the judgment of the United States Customs Court is represented by Exhibit 1 and Illustrative Exhibit A which are claimed to be lenses, and when assembled are of two types, “bull's eye” and “drum,” and called Fresnel lenses.

Exhibit 1 is a dioptric lens segment for a 500-millimeter lighthouse lens, and consists of one-half (180°) of a ring about 20 inches in diameter. A cross section of the glass forming the half-circle segment is triangular in shape with sides about 1% inches wide. It is in the form of a triangular prism, bent into a half circle.

Illu…