Buckling. (Paint and Lacquer) Caused by the shrinking of a pyroxylin lacquer film over an oil-base undercoater when the latter has not been given full drying time.
Buckram. (Bookbndg.) A veryserviceable, stiffened linen or hemp cloth used for book covers.
Buckskin. (Leathel:) A soft, strong, grayish-yellow leather; the skin of a buck, now frequently made from sheepskin.
Buff. (Mech.) An appliance for polishing and finishing metallic surfaces; usually consists of a large number of muslin disks fastened together to form a polishing wheel.
Buffet. (Furn.) A French term, referring to a form of cupboard or sideboard used for dishes.
Buffeting. (Aero.) The beating of an aircraft's structure or surface by unsteady flow, gusts, etc. Also the irregular shaking or oscillation of an aircraft component owing to turbulent air or separate flow.
Buffing. (Bookbndg.) A split cowhide; a term also applied to roughing up with an emery wheel or polishing down with a soft fabric wheel the extending designs on covers; also used on leather to polish the surface or take off the
top of the grain on fancy leather. (Mech.) To finish a surface with a buff.
Buffing leather. (Leather.) A lining leather, thinner but much stronger than skiver. Used for lining large articles.
Buffing wheels. (Shopwk.) Polishing wheels made of many .disks of cotton or wool cloth which serve to carry abrasive powders, rouge, etc.
Buhl work. (Furn.) Inlay work in which ivory, metal, etc., are used instead of wood.
Buhrstone. A circular grindstone revolving flatwise on another stone. Used for grinding grains, etc. Same as millstone.
Builders tape. A long measuring tape of steel or fabric contained in a circular case, usually 50 or 100 ft. in length. SEE TAPE.
Building. The art of putting together materials into a structure.
Building line. The line of the outside face of a building wall. Also the line on a lot beyond which the law forbids that a building be erected.
Building materials. (Bldg.) All materials which enter into building construction.
Building paper. (Arch.) Heavy paper used between sheathing and siding, or as an undercovering on roofs as a protection against weather.
Building stone. (Arch.) A general term applied to stone used in building construction including marble, granite, sandstone, limestone, and others.
Building up. (Elec.) The active generation of voltage which a generator undergoes from start to fi
Built-up member. (Engin.) Any column, beam, or girder built up from standard shapes.,
Bulb. n. A spherical undergrond stem, dilated part of a glass tube, container of electric light v.i. to swell.
Bulk. (Papermkg.) A term ordinarily denoting sheet thickness; also applied to paper which is relatively thick in relation to its substance weight.
Bulk Eraser. Device for erasing recording from a whole tape at once on its spool by application of an intense alternating magnetic field.
Bulk factor. (Plast.) The ratio, by volume, of the loose molding powder to the resultant finished article.
Bulkhead. A partition of stone or wood to keep back earth as in a mine,. or tunnel, or along a water front. Also made of steel or wood to separate
compartments in a vessel.
Bull block. (Shopwk.) Block through which wire or rods are drawn to reduce them in size. .
Bulldozer. (Mach.) A heavy forming machine for bending iron and steel.
Bull gear. (Mach.) The large gear which gives motion to the table on a metal-planning machine.. The large driven gear on a crank shapero
Bull head tee. (Plumb.) A tee, the branch of which is larger than the run.
Bull header. (Masonry) A brick with one rounded comer usually placed with short face exposed. Laid to form the brick sill under and beyond the window frame; also used around doorways.
Bullion. (Chern.) (I) Gold or silver bars or ingots. (2)A mixture of gold with silver, platinum, or other precious metals obtained by smelting and partial refining (3) Often applied to gold and silver coins.
Bull ladle. (F dry.)A two-man ladle for carrying molten metal.
Bull pin. (Wood) Common through out western United States. the tree grows to a height of 150 to 250 ft. and a diameter of 5 to 10 ft. The wood is of medium strength but very resinous. Used for both interior and exterior work in building construction.Also known as California white pine.
BuU's-eye arch. (Arch. )An arch which forms a complete circle.
Bull's-nose. (Arch.) An external obtuse or rounded angle. (Furn.) A small plane, used for planing close to projecting parts.
Bull stretcher. (M asollry)A bull brick laid with the long edge exposed. Bull wheel. (Mach.) (I) The large gear of a metal planing machine (pianer)
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