Wire, casemate, extra, 100 feet each of black, blue, red, and brown to each casemate. Wire, fuse, 1 pound each of 3, 12, and 25 ampere to each casemate. Wire, lamp-cord, extra 100 feet to each casemate. Wire, loading, 20 feet to each mine. Wire, soft-drawn copper. _Remarks_: (_a_) Clips and thimbles, scales, extension spring, marline-covered rope, and parts for automatic anchors are required only at posts supplied with automatic anchors. (_b_) Loading scoops are required only at posts supplied with trotol. (_c_) In the case of articles to be supplied “as required” it is not contemplated that they shall be kept on hand in larger quantities than required for immediate needs. [Illustration: FIG. 17a.—IMPROVISED MINE TARGET.] [Illustration: FIG. 17b.—IMPROVISED MINE TARGET.]