The Scientific Monthly, 1924.
Lancaster, PA: The Science Press, 1924. 8vo. 4 volumes of varying lengths, about 100 pp each. January, March, July and August issues. "Duplicate" written in pencil on each cover. All text pages are fairly clean and tight in binding, if wrinkled, but covers are stained, damaged at edges, marked, and fragile. Article topics cover all the major branches of the sciences, by a wide variety of authors. Overall an interesting collection of 1920's science periodicals. Fair Paperback (Item ID: 25480)