We enjoyed a visit the other day with the representative of a company which supplies files for government publications. This reminds us of how essential to good teaching is supplementary material. It both instructs and offers variety. Too often, in the mind of the pupil, the words schoolroom and monotony are synonyms.
©1929 by Iowa State Teachers College
Science Bulletin: Vol. 1:
3, Article 6.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss3/6