![]() It is not clear if this arrangement for firing the mortars was actually put into practice. It also shows the plan for the diagonal raceways running from the walls of the mortar pits back to the "firing niches" inside the magazine corridors, where electrical firing switches for the mortars were to be located. This 1896 plan shows the original, as-built layout for the mortar pits, with the individual mortars placed quite close to each other. The section at top shows a view along the axis A-H and indicates how shell hoists/trolleys would be used to lift and transport the shells along the corridors, where they were placed on shell carts and wheeled out to the floors of the mortar pits. ![]() 8 in., and 5 ft., stacked four courses high. The plan shows how the space would accommodate shells of three different lengths: 3 ft., 3 ft. long on its longest dimension (the one at a right angle to the line A-H). For scale, the larger shell room at the center of the drawing is 30 ft. The two southernmost firing positions of Pit B are at the very bottom. ![]() The two circles at top are the northernmost two firing positions of Btty Lincoln, Pit A. (Army) Engineers.įor orientation, west is to the right of the drawing, with south at the top. Banks mortar batteries, drawn by the U.S. This image is a scan of a portion of an 1896 plan for the Ft.
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