38.
Modulus of Elasticity.
1,550,000.
Modulus of Rupture.
12,100.
Remarks.
FOOTNOTE
The English, Royal, or Persian Walnut (Juglans regia) affords nearly similar wood. Widely distributed over Europe. Italian trees furnish best, French next, and English least desirable, paler and coarser wood. Occasional trees in Eastern United States, as New York; very plentiful in California.