Patent Model - Composition of Wurtzilite, Rubber, &c

Maker and role
Samuel Whitall, Patentee
Frank Whitall, Assignee
Joseph Edson, Assignee
Production date
Jul 21 1903
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Object detail

Wurtzilite, rubber
26 1/2 x 13 1/2 x 2" (67.3 x 34.3 x 5.1cm)
Whitall, of the United States Army, Assignor, by Direct and Mesne Assigments, of Eleven-Twentieths to Frank Macomb Whitall and Joseph E. Edison of Washington, District of Columbia.

"This invention pertains to an improved product or compound, more especially for plastic articles." It "consists in the mode of making articles for commerce containing wurtzilite..." "Wurtzilite is a mineral without any determinate form and would be classed as amorphous." (Patent Number 734,483)
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