Whitet iron to Wild black cherry
lime putty, to which marble dust is sometimes added. Gypsum plasters are also used for top coating.
White iron. (Metal.) An. extremely hard cast iron, resulting when the casting is chilled in a metallic mold.
White lead. (Chern. and Paint.) Hydrated carbonate of lead, used in paintmaking.
White-metal alloys. (Me~al.) A mixture of zinc, tin, and copper, much used for the die casting of automobile hardware.
White noise. Random noise covering all audible frequencies without any particular colouration or emphasis - has equal energy per cycle of bandwidth.
White oak. (Woodwkg.) The hardest of American oaks. It is heavy and close-grained, and is used where strength and durability are required.
White pine. (Woodwkg.) A straightgrained softwood, light in colour; used extensively by pattern makers and joiners.
White space. (Print.) Unprinted area
on a sheet.
White spots. (Paint and Lacquer) White dots or specks appearing in the final film are due to too much haste in rushing the job through or the sealing in of moisture. Also due to cheap, improperly formulated thinner.
White spruce. (Woodwkg.) An inexpensive wood largely used for framing, flooring, etc.
White wash. (Bldg.) Lime slaked in water and applied with a brush or as a spray. Salt is sometimes added to make it adhere better, and bluing may be added to give a whiter tone.
Whiting. (Chern.) Pulverized chalk; when mixed with oil into a paste form, it becomes putty.
Whitney keys. (Mach.) Square bar keys rounded at both ends.
Whitworth thread. (Mach.) The standard English thread, having rounded tops and bottoms and an included angle of 55 degrees.
Whole depth. (Gear.) The total depth of a tooth, from addendum line to root line.
Whorl. (Furn.) A spiral scroll design.
Wicket. (Arch.) A small door set within a larger door.
Wick-feed oilers. (Mach.) Those in which lubrication is accomplished by means of a wick immersed in a reservoir of oil. Oil absorbed by the wick is carried to the bearing.
Wide angle lens. A lens with a very short focal length; a lens that has a very wide angle of view.
Wide screen. Similar to a pop filter; a heavy foam rubber microphone cover, used outdoors to cut down on audible noise created by wind blowing across the top of the mic.
Wiggler. (Mach.) A device used on accurate work for exactly locating a center-punch mark on work to be drilled, directly in line with the center line of the drill spindle. Used also for accurately truing up work in a chuck.
Wild black cherry. (Wood) Usual height 50 to 75 ft., diameter 2 to
Wild footage to Wing area
3 f1. Wood is reddish brown, mode-. rately heavy, hard, strong and does not warp or split in seaso~ing; much used in furniture, fine panels, etc.
Wild footage. Audio tape recorded out of sync with any particular video. picture for use in post-production as an audio track; video tape recorded without audio for use as visual material in post-production, to which narration will be added.
Winch. (Mech.) A windlass.
Wind. (Shopwk.) The warp or twist in a piece of wood is frequently spoken of as wind.
Wind cone. (Aero.) A tapered fabric sleeve pivoted on a standard to indicate the wind direction.
Winders. (Bldg.) Treads of steps that are wider at one end than at the other. Used where steps are carried around curves or angles.
Wind indicator. (Aero.) A device that indicates the direction and velocity of the surface wind.
Winding stair. A stair which changes directions by means of winders or a landing and winders. The wellhole is very wide and the balustrade follows the curve with only a newel at the bottom.
Windlass. A machine for hoisting or hauling.
Wind load. (Engin.) The load on a structure due to wind pressure.
Winddow. (Arch.)An opening in the wall of a building closed with transparent material inserted in a frame, placed so as to admit light, and made
to open for air.
Window-head. (Arch.) The upper portion of a window frame.
Window jack. A small portable platform which fits over a window sill and .projects outward beyond it. Used principally by painters.
Window seat. (Bldg.) A seat built below, or in the recess of a window.
Wind shake. (Lumber) A split in lumber caused by the effect of wind before the tree was cut.
Windshield wiper. (Aero.) A device operated mechanically, electrically, by manifold vacuum, or by hand, usually having a rubber blade which sweeps rain or snow from the glass of the windshield.
Wind tee. (Aero.) A large T-shaped weather vane located on a landing field or on top of an adjacent structure to indicate direction of wind.
Wind tunnel. (Aero.) An apparatus producing an artificial wind or air stream, in which objects are placed for investigating the air flow about them and the aerodynamic forces exerted on them.
Wing. (Aero.) Refers to the main supporting surfaces on an airplane, left wing, right wing, upper wing, or lower wing. (Arch.) A section of a building extending out from the main part.
Wing area. (Aero.) Wing area is measured from the projection of the actual outline on the plane of the chords, without deduction for area blanketed by fuselage or nacelles. That part of the area so determined, which lies within the fuselage or nacelles, is bounded by two lateral lines that connect the intersections of the leading and trailing edges
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