Comparisons of distance, size, area, volume, mass, weight, density, energy, temperature, time, speed and number throughout the universe by the Diagram Group - New York St. Martin's Press c1980 - 240 p. ill. 29 cm. Subjects--Topical Terms: Physical measurements--MiscellaneaScience--MiscellaneaTechnology--Miscellanea Dewey Class. No.: 530.8