Glossary

An indented trapezium serving as an embattled parapet. (See illustration p. 28.)

In a Roman Catholic church, a side altar, repository, or storage niche where the Host is kept from Maundy Thursday

In a lightning protection system, the combination of a metal rod and its brace or footing, on the upper part

A small tool used for the fine-spray application of paint, dye, watercolor pigment, or ink by compressed air.

A type of window lock requiring a special key or wrench to open it; used where the window is to

An air distribution outlet, usually located in the ceiling and consisting of deflecting vanes discharging supply air in various directions and planes, and

1. The unobstructed vertical distance between the lowest opening of a faucet (or the like) which supplies a plumbing fixture (such as tank

A type of pump for raising water from a well, consisting of a pipe which surrounds another of smaller diameter; compressed air