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A metal plate with bent ends used to hold blocks together.



Related Terms

FRAMES

Either in timber sawn, laminated, bent or in metal riveted or welded, they are the transverse construction members that create the base for the planking or plate to clothe.

BOSUN'S PIPE

An ancient palm held tin whistle used for signalling orders aboard ship, consisting of a flat plate (keel) supporting a bent pipe (gun), terminating with a blow hole (orifice) at a hollow sounding sphere (buoy). Still used in the Navy to pipe dignitaries aboard a ship.

FLITCH PLATE

The metal plate in a flitch beam or girder.

BASE PLATE

A metal plate that provides support or a foundation.

BUBBLE CAP

A metal cap covering a hole in the plate within a distillation tower; designed to permit vapors to rise from below the plate, pass through the cap, and make contact with liquid on the plate.

DEADLIGHTS

Metal plate coverings fitted over portholes for greater watertight integrity in heavy weather.

BALL CATCH

A door fastener having a contained metal ball which is under pressure from a spring; the ball engages a striking plate and keeps the door from opening until force is applied.

CAPACITOR MICROPHONE

A microphone consisting essentially of a flexible metal diaphragm and a rigid metal plate that together form a two-plate air capacitor; sound waves set the diaphragm in vibration, producing capacitance variations that are converted into audiofrequency signals by a suitable amplifier circuit. Also known as condenser microphone; electrostatic microphone.

CUP ELECTROMETER

An electrometer that has a metal cup attached to its plate so that a charged body touching the inside of the cup gives up its entire charge to the instrument.

PIKE POLE

  1. A pole with a sharp metal point in one end that is used to hold utility poles upright while they are being installed. 2. See fire hook.

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