box-head window

box-head window

A window constructed so that the sashes can slide vertically up into the head to provide maximum opening for ventilation. See also: Window
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

box-head window

A window constructed so that the sashes can slide vertically up into the head (or above it) to provide maximum opening for ventilation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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