Summary

Joseph McKenna Carnegie Steel Company v. United States…

It would seem that the very essence of the promise of a contract to deliver articles is ability to procure or make them. But claimant says its ignorance was not peculiar, that it was shared by the world, and no one knew that the process adequate to produce 14-inch armor plate would not produce 18-inch armor plate. Yet claimant shows that its own experiments demonstrated the inadequacy of the accepted formula.
Source: Wikisource

Joseph McKenna Carnegie Steel Company v. United States…

Ignorance of the scientific process necessary for face-hardening 18-inch armor plate is asserted to be an unavoidable cause of the character of the enumeration of article 8 of the contract; that is, such as fires, storms, labor strikes, action of the United States, etc.' The contention is that it is the same 'genus or kind,' because (1) it was not foreseeable when the contract was made; (2) was not the result of any act or neglect on the part of claimant; (3) was not a cause the company could prevent.
Source: Wikisource

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