The Naval Artificer's Manual: (The Naval Artificer's Handbook Revised) Text, Questions and General Information for Deck Artificers in the United States Navy

United States Naval Institute, 1918 - 797 σελίδες

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Σελίδα 5 - The number to be divided is called the dividend. The number by which we divide is called the divisor.
Σελίδα 197 - ... at the upper and lower points of the depth and at the three points obtained by dividing h into four equal parts (a and e being the breadths at the extreme points, and c at the middle point, of h).
Σελίδα 197 - ... inside the planking or plating from the keel to the level of the gunwale, or, in certain cases, to a lower level as determined hereafter. a, b, c, d, e denote the horizontal breadths of the...
Σελίδα 602 - ... feet. The jars permit the tools to fall on the downward stroke, but on the upward jar them, or give them a sharp pull, tending to loosen them from any crevices or cavings that may hold them; a drill jar.* Joint.
Σελίδα 772 - Specific Gravity. The ratio of the weight of a given volume of any substance to the weight of an equal volume of distilled water, and is found by dividing the first weight by the second.
Σελίδα 629 - It commonly consists of three pieces which are, first, the thread end fitted with exterior and interior threads, second, the bottom end fitted with interior threads and a small exterior shoulder and third, the ring which has an inside flange at one end while the other end has an inside thread like that on the exterior of the thread end.
Σελίδα 197 - B shall be deemed to be equal to 45 per cent, of the breadth, and the depth employed in calculating the areas of the quarter-length sections A and C is obtained by increasing this last figure by an amount equal to...
Σελίδα 589 - Cross. — A pipe fitting with four branches arranged in pairs, each pair on one axis and the axes at right angles. When the outlets are otherwise arranged the fittings are branch pipes or specials. Cross-Cher. — A small fitting like a double offset or the letter "U
Σελίδα 722 - ... the Committee recommends the natural sand from Ottawa, 111., screened to pass a sieve having 20 meshes per linear inch and retained on a sieve having 30 meshes per linear inch; the wires to have diameters of 0.0165 and 0.0112 in., respectively, ie, half the width of the opening in each case.
Σελίδα 608 - Packing. — A general term relating to yielding material employed to effect a tight joint. A common example is the sheet rubber used for gaskets. The term is also applied to the braided hemp or metallic rings used in some joints, that allow considerable or incessant motion. The British grommet is another example.

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