awning window
A window consisting of a number of top-hinged horizontal sashes one above the other, the bottom edges of which swing […]
Glossary
Glossary
Glossary
axial-flow fan
1. One of the following types of fans: vaneaxial, tubeaxial, or propeller. Such fans impart energy to the air by
Glossary
awning blind
A blind which is hinged at the top; can swing outward and be fixed in position by a stay.
Glossary
automatic door bottom
A movable plunger, in the form of a horizontal bar at the bottom of a door, which drops automatically when
Glossary
Attic base
The base of a column of the Ionic order consisting of an upper torus and a lower torus, with a
Glossary
asphalt prepared roofing, asphaltic felt, cold-process roofing, prepared roofing, rolled roofing, rolled strip roofing, roofing felt, sanded bituminous felt, saturated felt, self-finished roofing felt
A roofing material manufactured by saturating a dry felt with asphalt and then coating the saturated felt with a harder
Glossary
arrow loop, loophole
A vertical slit for archers in medieval fortification walls, with jambs deeply splayed toward the interior.