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y dilute sulphuric acid, and the carbon by nitric acid or a chromic acid mixture, the two plates being separated by a porous cup.

A lining for a hole to make it smaller; a thimble or ring of metal or wood inserted in a plate or other part of machinery to receive the wear of a pivot or arbor. Knight.

or a nobleman's household, whose principal business it is to take charge of the liquors, plate, etc.; the head servant in a large house. The butler and the baker of the king of Egypt. Gen. xl. 5. Your wine locked up, your butler strolled abroad. Pope.

, when pursued or alarmed, in order to confuse their enemies. Their shell is a thin horny plate, within the flesh of back, shaped very much like a quill pen. In America they are called squids. See Squid.

her mathematical tables of a high degree of intricacy, imprinting the results on a leaden plate, from which a stereotype plate is then directly made.

To make an indentation in the edge of a metal plate, as along a seam in a steam boiler or an iron ship, to force the edge of the upper plate hard against the lower and so fill the crevice.

A voltaic battery, having a large surface of plate, and producing powerful heating effects.

Panoramic, or Pantascopic, camera, a photographic camera in which the lens and sensitized plate revolve so as to expose adjacent parts of the plate successively to the light, which reaches it through a narrow vertical slit; -- used in photographing broad landscapes. Abney.

e image of an external object or objects is, by means of lenses. thrown upon a sensitized plate or surface placed at the back or an extensible darkened box or chamber variously modifled; -- commonly called simply the camera.

The interlacing osseous plates constituting the elastic porous tissue of certain parts of the bones, esp. in their articular extremities.

A small traveling case or bandbox; formerly, a chest. A capcase for your linen and your plate. Beau. & Fl.

A metal covering plate which passes over the trunnions of a cannon, and holds it in place.

used for the manufacture of the carbon rods of pencils for the voltaic, arc, and for the plates of voltaic batteries, etc.

A perforated pasteboard or sheet-metal plate for warp threads, making part of the Jacquard apparatus of a loom. See Jacquard.

arries; as: (a) A piece which communicates to an object in a lathe the motion of the face plate; a lathe dog. (b) A spool holder or bobbin holder in a braiding machine.

an the ostrich. Its head is armed with a kind of helmet of horny substance, consisting of plates overlapping each other, and it has a group of long sharp spines on each wing which are used as defensive organs. It is a shy bird, and runs with great rapidity. Other species inhabit New Guinea, Australia, etc.…

A double tripod (for holding a plate, etc.), having six feet, of which three rest on the ground, in whatever position in is placed.

The armor or plate covering some fishes.

Covered with a cataphract, or armor of plates, scales, etc.; or with that which corresponds to this, as horny or bony plates, hard, callous skin, etc.

A method of making stereotype plates from inscribed sheets of wax.