As seen in the picture all sides open by shutters which are hinged at the top and are raised from the bottom.

2016-02-232016-02-231907-03Indiana State Board of Health. Monthly Bulletin. 1907; 9(3): 30.0019-6754https://hdl.handle.net/1805/8443A drawing of a portable one room house with opened shutters.Epson Expression 10000 XL, Adobe Photoshop CS5, 1.39 MBPage 30, centered, approximately 3 x 4 inchesLine drawing in periodical.en-usAlthough these works may be freely accessible on the World Wide Web and may not include any statement about copyright, the U.S. Copyright Act nevertheless provides that such works are protected by copyright. Users must assume that works are protected by copyright until they learn otherwise.Open-Air TreatmentWindowsScreensHouses, PortableMershon & Morley Co.Saginaw (Michigan)As seen in the picture all sides open by shutters which are hinged at the top and are raised from the bottom.still image illustration