Page:The Sources of Standard English.djvu/490

Rh In the Preface Dr. Roscoe says — “My experience has led me to feel more and more strongly that by no method can accuracy in a knowledge of chemistry he more surely secured than by attention to the working of well-selected problems, and Dr. Thorpe's thorough acquaintance with the wants of the student is a sufficient guarantee that this selection has been carefully ''made. I intend largely to use these questions in my own classes, and I can'' confidently recommend them to all teachers and students of the science.”

“The treatment of the subject is admirable, and the translator has evidently done his duty most efficiently.” —. “The discourse, as a résumé of chemical theory and research, unites ''singular luminousness and grasp. A few judicious notes are added by the'' translator.” —.

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