2009-01-222009-01-221900-11Indiana State Board of Health. Monthly Bulletin. 1900; 2(2) :15.0019-6754https://hdl.handle.net/1805/1743The Kuhn formaldehyde generator.Fujitsu fi-4220c2, Adobe Photoshop CS3, 530 KBPage 15, center right, each image approximately 3 X 4 in.Photograph in periodical.JPEGen-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.Equipment, DisinfectingIndianaEquipment, VaporizingFormaldehydeInventionsKuhn Formaldehyde Generator Company (Alexandria, Virginia)still image b&w photograph