Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitlePROBLEM DEPARTMENT.AuthorsJamson, G. H.PublicationSchool Science & Mathematics, 1940, Vol 40, Issue 4, p384ISSN0036-6803Publication typeArticleDOI10.1111/j.1949-8594.1940.tb04143.x