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Also ship's magazine. The ammunition storage area aboard a warship. magnetic bearing An absolute bearing using magnetic north. magnetic north The direction towards the North Magnetic Pole. Varies slowly over time. maiden voyage The first voyage of a ship in its intended role, i.e. excluding trial trips. Maierform bow A V-shaped bow introduced in the late 1920s which allowed a ship to maintain ...
Engineering fits are generally used as part of geometric dimensioning and tolerancing when a part or assembly is designed. In engineering terms, the "fit" is the clearance between two mating parts, and the size of this clearance determines whether the parts can, at one end of the spectrum, move or rotate independently from each other or, at the other end, are temporarily or permanently joined.
An ornate brass door hinge A barrel hinge. A hinge is a mechanical bearing that connects two solid objects, typically allowing only a limited angle of rotation between them. Two objects connected by an ideal hinge rotate relative to each other about a fixed axis of rotation, with all other translations or rotations prevented; thus a hinge has one degree of freedom.
The beams have holes directly above each other. The two holes are connected using hangers , a pair of connecting plates sandwiching the bridge girders. A pair of large steel pins through the plates and girder webbing provide the hinges, holding up the suspended span while allowing it to move longitudinally.
In loose colloquial usage, these phrases may also refer to other kinds of calipers, although they involve no vernier scale. In machine-shop usage, the term "caliper" is often used in contradistinction to micrometer , even though outside micrometers are technically a form of caliper.
Concealed hinge drilling jig with embedded Forstner bit. A concealed hinge drilling jig is a type of support jig, designed for drilling 3 cm holes to fit concealed hinges into modern wardrobe doors. As many of the complementary tools used in woodworking, it uses an electric hand-drill for its operation, making a Forstner bit to turn.
Loose gold dust was valued at $16.00 per troy ounce then and almost all merchants, bars, gambling dens, brothels etc. had scales available to allow the miners to pay for their purchases in gold. After passing through many hands in California gold eventually, almost inevitably, went East to pay for merchandise bought in the west and imported ...
The bird made a hole in the plane's radiator, forcing a gear-up landing near Brussels. [ 1 ] A Lockheed P-38G-10-LO Lightning , 42-13400, c/n 222-7834, [ 2 ] crash-landed on Attu Island in the Aleutians , 2,000 miles (3,200 km) west of Anchorage, Alaska , on a training mission; the pilot, 2nd Lt. Robert Nesmith, was uninjured.