American engineer (1866–1945) who developed the first submarine to operate successfully on the open seas. AQS on an off-white 5.25 x 3.25 card, signed at the conclusion and dated Milford, CT, February 20, 1917. In full: “I believe the destiny of the ‘submarine’ is to bring about ‘peace’ on the high seas.” In fine condition. A fabulous quote despite the inaccuracy of its prediction. Pre-certified PSA/DNA.
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