This textbook presents a fourteen-week course in astronomy. The history of astronomy, the solar system, and the sidereal system are discussed.

This textbook provides German reading selections. The aim of the authors is to present material for reading which not only provides a general vocabulary over a wide range of subjects, but which is sufficiently up-to-date to hold the reader's interest. This book includes readings on anatomy, anthropology, aviation, bacteriology, biology, botany,…

This Series is designed to meet the requirement of brief textbooks both for schools and for adult readers who wish to review or expand their knowledge. The grade of the books is intermediate between the so-called "primers" and the larger works professing to present quite detailed views of the respective subjects. Although the treatment…

This Series is designed to meet the requirement of brief textbooks both for schools and for adult readers who wish to review or expand their knowledge. The Student who would acquire a satisfactory knowledge of the principles of Zoology is recommended to commence by learning the elementary principles of General Biology; and having mastered these he…

This textbook is a course in mechanics, first of a three-volume series on natural philosophy. Part one discusses the mechanics of solids and part two discusses the mechanics of fluids.

This textbook is intended for schools moderately equipped to undertake beginning zoology study using scientific method. Its aim is to put the student in the way of acquiring for himself a knowledge of animal life and structure.

This textbook has been organized on a seasonal basis. Subject matter has been arranged throughout so it will be suitable for the season of the year in which it normally will be studied. To test reading ability, different forms of new-type tests have been included at the end of every chapter under the heading, "Some Things to Think…

This textbook is second in a series of science readers. Each volume of the series is organized on the basis of seasons and contains the material for a year of instruction. Throughout the series the authors have kept in mind the psychology of the child rather than the orderly scientific arrangement of the subject matter. The vocabulary of each book…

This textbook is third in a series of science readers. Each volume of the series is organized on the basis of seasons and contains the material for a year of instruction. Throughout the series the authors have kept in mind the psychology of the child rather than the orderly scientific arrangement of the subject matter. The vocabulary of each book…

This textbook is fourth in a series of science readers. Each volume of the series is organized on the basis of seasons and contains the material for a year of instruction. Throughout the series the authors have kept in mind the psychology of the child rather than the orderly scientific arrangement of the subject matter. The vocabulary of each book…

This textbook is fifth in a series of science readers. Each volume of the series is organized on the basis of seasons and contains the material for a year of instruction. Throughout the series the authors have kept in mind the psychology of the child rather than the orderly scientific arrangement of the subject matter. The vocabulary of each book…

This textbook is sixth in a series of science readers. Each volume of the series is organized on the basis of seasons and contains the material for a year of instruction. Throughout the series the authors have kept in mind the psychology of the child rather than the orderly scientific arrangement of the subject matter. The vocabulary of each book…

This textbook is fourth in a series of science readers with reading a subject matter suitable for Grammar Grades. The lessons themselves are sufficiently full and definite to enable the teacher to find out for herself both the matter and method for the preliminary lessons, whenever such are needed. [For Book III, see ED623472.]

This book supplies a growing want of busy times, when so many are prevented by the struggles of business from sitting down to the consecutive systematic study of a formal treatise. In the writing of science chapters within this book, the highest literary ambition of the author has always been to combine clearness and simplicity with some attempt…

This textbook presents astronomy, problem solving with the terrestrial and celestial globes, and the solar system. Astronomical instruments are discussed and tables are included.