A double-hung window whose lower sash can drop through the window sill into a pocket below the sill.
| Architecture: drop-head window |
A double-hung window whose lower sash can drop through the window sill into a pocket below the sill.
| window |
Copyrights:
![]() | Architecture. McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc. All rights reserved. Read more |