The "Alte Feuerwache" in Mannheim is an old fire station used as interpretive center in Mannheim city since 25 years. The Alte Feuerwache building raised 1912 is one of Mannheims landmarks. On the southern front directed to the river Neckar I installed a float bed banner.
Max Longin is a German mathematician living and working in northern Denmark. He designed the float bed in 2004 and the stream chair in 2006. A blow-by-blow presentation of his products can be found on his website at www.max-longin.com. Feel free to contact him.