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A system of framing a wooden building; all vertical structural elements of the exterior bearing walls and partitions consist of single studs which […]

A hammer having a hemispherical peen.

A valve for regulating the flow of  fluids by a movable ball which fits in a spherical seat.

1. A column shaped somewhat like a baluster, with a short, massive shaft. 2. A short, thick-set column in a subordinate position,

On an Ionic capital, the return face (having the form of a concave roll), reaching from volute to volute.

An entire railing system (as along the edge of a balcony) including a top rail and its balusters, and sometimes a bottom

A device used to prevent water (or other liquids) from being siphoned into a potable water system.

An excavating machine for cutting trenches; a boom-mounted bucket moves toward the machine, cutting the ground like a hoe; then the