(World) World Energy, R. Buckminster Fuller, 1939 It's an interesting line to be drawn at the time. Here, Fuller wastes no time in showing the geographic differences between "human beings" and "inanimate energy slaves". "Their number is estimated by dividing total energy consumed by industrial man from mineral sources and waterpower, by the energy output of one human per year". While red dots that identify "slaves" are concentrated in North America and Europe, there are spots popping up in Southeast Asia and South America. Condition is very good. Overall size is approximately 13.75 x 11 (inches)
