The Book of comparisons of distance, size, area, volume, mass, weight, density, energy, temperature, time, speed, and number throughout the universe / by the Diagram Group. Diagram Group. Physical measurements Charts, diagrams, etc. QC39 .B645 1980 032.02 19 DIB Includes indexes. London : Sidgwick & Jackson in association with Penguin, 1980. 1980. 1980 Text 240 p. : eng