Van Nostrand's scientific encylopedia; aeronautics, astronomy, botany, chemical engineering, chemistry, civil engineering, electrical engineering, electronics and radio, geology, mathematics, mechanica engineering, medicine, metallurgy, meteorology, meneralogy, navigation, photograhy, physics, statistics, zoology. (New York D.Van Nostrand company, 1947)
"First published, March, 1938."
Keywords: Science -- Dictionaries