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almucantar have the same altitude. See Almacantar. [Archaic] Almucanter staff, an ancient instrument, having an arc of fifteen degrees, formerly used at sea to take observations of the sun's amplitude at the time of its rising or setting, to find the variation of the compass.

An instrument for taking azimuths and altitudes simultaneously.

An instrument of the saxhorn family, used exclusively in military music, often replacing the French horn. Grove.

An instrument of the saxhorn family, used exclusively in military music, often replacing the French horn. Grove.

An instrument for taking altitudes, as a quadrant, sextant, etc. Knight.

he part sung by the lowest female, or contralto, voices, between in tenor and soprano. In instrumental music it now signifies the tenor.

An instrument of horn used for collecting painters' colors on the stone in the process of grinding.

An instrument for measuring distances; -- called also perambulator. Knight.

An instrument for measuring the strength of an electrical current in ampères.

Instrument for determining the amount of starch in a substance.

An instrument by which a correct engraving of any embossed object, such as a medal or cameo, can be executed. Brande & C.

An instrument of wood or brass, on which this projection of the sphere is made, having a movable horizon or cursor; -- formerly much used in solving some common astronomical problems.

An instrument for restoring a picture or image distorted by anamorphosis to its normal proportions. It usually consists of a cylindrical mirror.

A iron instrument which is attached to a ship by a cable (rope or chain), and which, being cast overboard, lays hold of the earth by a fluke or hook and thus retains the ship in a particular station.

An instrument for measuring and recording the direction and force of the wind. Knight.

An instrument for measuring the force or velocity of the wind; a wind gauge.

An instrument which shows the direction of the wind; a wind vane; a weathercock; -- usually applied to a contrivance consisting of a vane above, connected in the building with a dial or index with pointers to show the changes of the wind.

An instrument of music, of the lute kind, now disused. Johnson. R. Browning.

An instrument for examining the capillary vessels of animals and plants. Morin.

ventionalized, used to decorate and sometimes to strengthen an angle. -- Angle meter, an instrument for measuring angles, esp. for ascertaining the dip of strata. -- Angle shaft (Arch.), an enriched angle bead, often having a capital or base, or both. -- Curvilineal angle, one formed by two curved lines. -- Externa…