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devices

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Kelly Miller's history  of the World War for Human Rights: A wonderful array of striking pictures made from recent official photographs, illustrating and describing the new and awful devices used in horrible methods of modern warfare, together with remarkable pictures of the Negro in action both in Army and Navy. [Title page]
La Fayette in 1777; devices for La Fayette's sword-guard
Plate 31-XX shows how any of the Caldrons shown in plates 30 or 32-X can be arranged with power mixing devices.