CHAPTER VII. ANCHORS AND CABLES. Anchors are made of forged wrought iron, or forged open hearth ingot steel, or cast steel and are marked on the crown (or head) and shank showing the maker's name or initials, progressive number, and weight. All anchors are tested as to their strength, the strain imposed on them varying with their size. All cast steel anchors are also subjected to percussive., hammering, and bending tests. They must also be annealed and stamped "Annealed Steel." All steamers, except very small ones, have to carry two bower anchor^, also one spare bower anchor, and a stream anchor. Sailing vessels have to carry the same, with a kedge in addition. The stream anchor is about one-third the weight of the bower. The spare anchors are stowed and well secured in some convenient position where they can easily be got at* The spare bower is carried on the forecastle-head or fore deck. In steamers where it is likely to be required for stern moorings, the stream anchor is generally carried aft. Some vessels have been fitted with a windlass, stream, chain and a hawsepipe at the stern when specially equipped for trading to ports where stern moorings are required. The principal parts of an anchor are shank, crown, arms, flukes or palms, bills or peas, stock, ring or shackle, forelocks. (See illustrations on next page.) The weight of a steamer's anchors depends on the size and type of the vessel. The following is a rough approximation. In some cases one bower and the spare bower may be less than the given weights. Length Bower anchors Stockless Stream anchor of vessel without stock anchors without stock 0n feet) (in cwts.) (in cwts.) (in cwts.) 290 28J 35J 9i 375 42 52J 14 480 65 81J 23J In small steamers the anchors will be lighter, and in very large steamers much heavier than the weights given above. 115