Abstract
THE author states in his preface that an opinion has been growing latterly that chemistry, as usually taught, is a subject lacking in educational value, and that this is especially the case inpractical chemistry. These exercises are suitable for boys beginning practical work, and they are intended “to exemplify the exact nature of chemical reactions, and to illustrate some of the great principles and fundamental laws of the science.” Consequently many of the exercises are quantitative. The first experiment is a verification of Boyle's law by means of a straight barometer tube and mercury. The second is a determination of the coefficient of expansion of air. After a few such preliminary exercises, the more usual chemical experiments follow. The author has not attempted to give “details of craftmanship,” as he states that they can be better obtained from the teacher.
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