Worthen, William Ezra, 1819-1897, [from old catalog] ed · New York, Appleton · leaf 188
vary much in their weight, strength, and endurance, ac-cording to the localities in which they are grown, the season at which they are cut, andhow seasoned. Tables are given in the Appendix in detail, their varied resistance understresses and their specific gravities. Of late years paper in sheets…
Mechanical drawing
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