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Updated: May 9, 2025
I of course do not for one moment mean to say that experimental machines were unknown or unused prior to 1862 chain cable testing-machines are of old date, and were employed by our past President, Mr.
Within the period we are considering, the employment of testing-machines has come into the daily practice of the engineer; by the use of these he is made experimentally acquainted with the various physical properties of the materials he employs, and is also enabled in the largest of these machines to test the strength and usefulness of these materials, when assembled into forms, to resist strains, as columns or as girders.
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