Publisher's Synopsis
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1898 edition. Excerpt: ... APPENDIX O. DEFINITIONS OF TECHNICAL TERMS USED IN NAVAL CONSTRUCTION. TERMS USED IN SHIPBUILDING. Prepared by Mb. Charles Iiemje, U. S. Naval Academy. 1. After Body. That part of a ship's hull abaft the midship-section or dead flat, or in case where a ship has a parallel middle body, that part abaft the after end of the middle body. 2. After Peak. The extreme after compartment in a ship's hold. 3. Air Ducts. A system of pipes for ventilation, made of light material, through which, by means of blowers, fresh air is forced into, or impure air is extracted from, the various compartments and rooms of a ship. 4. Air Plugs. Small screw plugs fitted in watertight manhole and scuttle covers, which are removed when it is desired to fill the compartment with water, so that the air can escape, and are replaced when the operation is completed. 6. Air Ports. Openings in the side of a vessel to admit light and air to the covered decks, state-rooms, etc., fitted to close with a thick glass set in a hinged composition frame and secured by thumb screws. A solid composition shutter is provided to close the opening in case of accident, etc. 6. Amidships. The middle of the ship, either with regard to her length or breadth. 7. Anchor Bed. A sloping recess in the upper deck on each side of the bow for the storage of the bower anchors out of the line of the fire of the guns. Short beams, for the anchor to rest and slide on are secured to the anchor beds, both the beds and the beams extending a little over the bow, so as to throw the anchor clear of the side. 8. Angle Bar. A rolled bar of iron or steel consisting of two flanges at right angles to each other. 9. Angle Bar, Waterway. See "Waterway Angle Bar." 10. Angle, Box. See "Box Angle." 11. Angle Bulb. An...
