This chart summarizes an enormous amount of human knowledge about the physical universe The slightly yellowed paper gives it an old-fashioned look Perfect for a home office or science lab. Comes in a long tube. When hung, measures 28 by 40 inches (70 by 100 cm) Made by Cavallini & Co This gorgeous ready-to-hang art is a terrific choice for any room in your home where you want to encourage learning. The busy looking chart sums up some of the most fundamental cumulative knowledge people have discovered over the centuries. It may look crowded and chaotic to the untrained eye, but the information contained in this one chart is actually quite beautiful. It is twice the size of the Cavallini paper sheets, so it measures 28 by 40 inches (70 by 100 cm). The chart is printed on heavy-weight paper stock, and the top and bottom are made with sustainable sourced wood. It is made in the USA and comes packaged and shipped in a heavy weight kraft tube. Made by Cavallini and Company.