Radford's portfolio of details of building construction : a remarkable and unique collection of full-page plates, accurately drawn and reproduced to exact scale ... (1911)
Radford, William A., 1865-, Johnson, Bernard L, Rawson, Charles P · Chicago : The Radford Architectural Company · leaf 175
PLATE 161 A—SIMPLE WINDOW VENTILATORS An inexpensive ventilating device for schools,dwellings, etc., consisting of a rabbeted striphinged to the window sill, which when in usecauses an opening between the meeting rails of the sash for fresh air to come in. This providesfor a change of air but does…
Building · Architecture
Internet Archive · University of Toronto, Robarts Library · Public Domain Mark 1.0. Free to use for anything.
