Excerpt from Practical Physics
Practical Physics aims above all things to justify its title. In introducing an exceptionally large number of applications, the authors have not lost sight of the fact that the most practical book is the one from which the pupil can most easily learn.
To secure this practical quality, the material is presented in the simplest and clearest language: - short sentences and paragraphs, terse statements, careful explanations, and an inductive development of each principle. The subject matter is logically arranged in the order followed by most secondary schools. Each principle is illustrated not only by diagrams, problems, and questions, but by its most striking applications.
While the number of these practical applications is unusually large, nothing has been included merely because it is sensational; every application illustrates some principle treated in the book. The utmost care has been taken to keep the whole work within easy range of the average pupil's ability, and to provide material that can be easily mastered in a school year.
The World War has emphasized once more the universality of physics. This universality is brought out in Practical Physics from the very outset, always, however, with care that the pupil understand the basic physical principles which underlie each application.
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