Drawing, Technical

Demilune Salient, 15" Gun Platform

One drawing of a 15" gun platform in Fort Wayne. The drawing consists of black ink on heavy tan paper and shows a plan view of one of the gun platforms along the fort walls. A cross-section detail is shown in the upper left corner and an elevation detail is shown in the upper right corner. Handwritten text near the center top edge shows "This is the Plan of the Demilune Salient 15" Gun Platform according to drawings last sent from Engineer Department, August 28th 1867, and the platform will be constructed accordingly. T. J. Cram, Bvt. Maj. Gen'l."