Athenaeum
A temple or place dedicated to Athene, or Minerva; specifically an institution founded at Rome by Hadrian for the promotion […]
Glossary
Glossary
astragal joint
A spigot-and-socket joint used on a lead downspout (or the like), where the socket incorporates ornamental moldings called astragals.
Glossary
astragal front
A lock front which is shaped to fit the edge of a door having an astragal molding.
Glossary
ASTM portland cement
One of eight classifications of portland cement standardized by the ASTM
Glossary
assembly space
A gathering place (such as an auditorium, exclusive of a stage) that is occupied by numbers of persons during major