Commercial and architectural St. Louis ; illustrated (1891)
St. Louis : Dumont Jones · leaf 234
e been made in the companys testingmachine, where its resistance has, in several instances, exceeded17,000 pounds per square inch, which is equal to that of granite. A curious fact has been developed by these tests, which is,that the modulus of elasticity of this stone is about the same asthat of… … Tt Tl ftw i I— 5^=s -j=i- ■- .I ^ffl! ffi ^& tfe^
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