ANCHOR n.
able or wreck, or when the slack cable entangled. -- The anchor is acockbill, when it is suspended perpendicularly from the cathead, ready to be let go. -- The anchor is apeak, when the cable is drawn in do tight as to bring to ship directly over it. -- The anchor is atrip, or aweigh, when it is lifted out of the gr…
ASTATIC a.
Having little or no tendency to take a fixed or definite position or direction: thus, a suspended magnetic needle, when rendered astatic, loses its polarity, or tendency to point in a given direction. Astatic pair (Magnetism), a pair of magnetic needles so mounted as to be nearly or quite astatic, as in some galvanomet…
BALANCE n.
Balance electrometer, a kind of balance, with a poised beam, which indicates, by weights suspended from one arm, the mutual attraction of oppositely electrified surfaces. Knight. -- Balance fish. (Zoöl) See Hammerhead. -- Balance knife, a carving or table knife the handle of which overbalances the blade, and so keep…
BAROMETER n.
arometer with tube contracted at bottom to prevent rapid oscillations of the mercury, and suspended in gimbals from an arm or support on shipboard. -- Mountain barometer, a portable mercurial barometer with tripod support, and long scale, for measuring heights. -- Siphon barometer, a barometer having a tube bent like…