This textbook presents basic science to children during two or three consecutive years with an increasing number of facts and a progressive elevation of ideas. Special knowledge of things and the general development of the mind are attained by this method of repetition, but avoids monotony. The author has tried to keep clear of this danger by…

This textbook aims to fill the need of an Introduction to Chemical Analysis, solely designed for use in the laboratory. This text presents simple rules for conducting chemical analyses to help students arrive at the most reliable results. This third edition has increased the examples for practice in quantitative and especially volumetric analysis.…

This textbook forms the basis of instruction upon the natural history of animals in the secondary schools of France. The present work treats the subject of natural history in a manner adapted to the needs of secondary schools, using methods found by experience to excite most interest on the part of the pupil. In the translation the plan of the…