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-usOpen-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.Image