A steel frame in which 242 thin, parallel saws are arranged to operate simultaneously in cutting logs.


Related Terms

PILE DRIVER

A hoist and movable steel frame equipped to handle piles and drive them into the ground.

PANEL BOARD

A drawing board with an adjustable outer frame that is forced over the drawing paper to hold and strain it.

PANEL SYSTEM

A wall composed of factory-assembled units connected to the building frame and to each other by means of anchors.

NEEDLE WEIR

A type of frame weir in which the wooden barrier is constructed of vertical square-section timbers placed side by side against the iron frames.

MASK

1. A frame used in front of a television picture tube to conceal the rounded edges of the screen. 2. A thin sheet of metal or other material containing an open pattern, used to shield selected portions of a semiconductor or other surface during a deposition process. 3. A protective covering for the face or head in the form of a wire screen, a metal shield, or a respirator.

LEADING TRUCK

A swiveling frame with wheels under the front end of a locomotive.

KNEE BRACE

A stiffener between a column and a supported truss or beam to provide greater rigidity in a building frame under transverse loads.

HORIZON GLASS

The glass of a marine sextant, attached to the frame, through which the horizon is observed. The half of this glass nearer the frame is silvered to form the HORIZON MIRROR for reflecting the image of a celestial body; the other half is clear.

SCANTLINGS

Dimensions of ships structural members, e.g., frame, beam, girder, etc.

CARVEL BUILT

A method of constructing wooden hulls by fixing planks to a frame so that the planks butt up against each other.

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