The metric system /A Critical Study 0f its Principles and Practice M. Danloux-Dumesnils Danloux- Dumesnils M. Garrett Anne joint author. Rowlinson J. S. Metric system Juvenile literature. QC92.5 .R43 389.152 DAM Explains the principles and uses of the metric system. London. : The Athlone Press, c1969 c1969 1975 Text viii, 162 p. : eng Encounters with science