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o, more generally, the determination of the true value of the spaces in any graduated instrument.

An instrument, usually resembling a pair of dividers or compasses with curved legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; or the bore of firearms, tubes, etc.; -- called also caliper compasses, or caliber compasses. Caliper square, a draugh…

An instrument with sharp points, worn on the sole of a shoe or boot, to prevent slipping.

lling; -- usually with the voice, but often otherwise, as by signs, the sound of some instrument, or by writing; a summons; an entreaty; an invitation; as, a call for help; the bugle's call. "Call of the trumpet." Shak. I rose as at thy call, but found thee not. Milton.

A musical instrument consisting of series of steam whistles, toned to the notes of the scale, and played by keys arranged like those of an organ. It is sometimes attached to steamboat boilers.

ing a hard several-celled fruit, armed with stout spines, and resembling the military instrument of the same name. The species grow in warm countries, and are often very annoying to cattle.

A chamber, or instrument having a chamber. Specifically: The camera obscura when used in photography. See Camera, and Camera obscura. Bellows camera. See under Bellows. -- In camera (Law), in a judge's chamber, that is, privately; as, a judge hears testimony which is not fit for the open court in camera. -- Panoramic…

An instrument which by means of a prism of a peculiar form, or an arrangement of mirrors, causes an apparent image of an external object or objects to appear as if projected upon a plane surface, as of paper or canvas, so that the outlines may conveniently traced. It is generally used with the microscope.…

An instrument or utensil for supporting a candle.

A piece or pessage, whether vocal or instrumental, pecuilarly adapted to singing; -- sometimes called cantilena.

An instrumental piece in the madrigal style.

The instrument containing the terms of an agreement or surrender.

ort of bar or movable nut, attached to the finger board of a guitar or other fretted instrument for the purpose of raising uniformly the pitch of all the strings.

An instrument for applying a percussion cap to a gun or cartridge.

That part of a legal instrument, as a commission, indictment, etc., which shows where, when, and by what authority, it taken, found, or executed. Bouvier. Wharton.

An instrument for detecting and measuring the amount of carbon which is present, or more esp. the amount of carbon dioxide, by its action on limewater or by other means.

An instrument for disentangling and arranging the fibers of cotton, wool, flax, etc.; or for cleaning and smoothing the hair of animals; -- usually consisting of bent wire teeth set closely in rows in a thick piece of leather fastened to a back.

An instrument which, when placed in contact with the chest, will register graphically the comparative duration and intensity of the heart's movements.

Wood to which a tenant is entitled for making and repairing carts and other instruments of husbandry.

box and its contents; the quantity contained in a box; as, a case of goods; a case of instruments.