Soap has been a common and important household article since ancient times. Until within the last fifty years its preparation was largely a home or domestic process, but recently its manufacture has been shifted from home to factory, and soap has become an important industrial product.
©1931 by Iowa State Teachers College
Read, O. B.
Science Bulletin: Vol. 3:
7, Article 10.
Available at: https://scholarworks.uni.edu/science_bulletin/vol3/iss7/10