Farm Building Insulation. Practical Instructions for the various applications of Insulating Board in Farm Buildings. 15th printing, March 1950. Published by The Insulation Board Institute, Chicago, Il. This a great guide for building different typical farm animal housing with regard to where you are in the U.S. There is very slight discoloring of the white. There is some spotting on the cover; it mainly shows on the inside of the cover. Otherwise, like the new. 9" X 6".