PUBLICATIONS OF SOWER, POTTS & CO., PHILADELPHIA. Brooks's Normal Geometry and Trigonometry. By the aid of Brooks's Geometry the principles of this beautiful science can be easily acquired in one term. It is so condensed that the amount of matter is reduced one half, and yet the chain of logic is preserved intact and nothing essential is omitted. The subject is made interesting and practical by the introduction of Theorems for original demonstration, Practical Problems, Mensuration, etc., in their appropriate places. The success of the work is very remarkable. Key, $1.10. Brooks's Normal Algebra. The many novelties, scientific arrangement, clear and concise definitions and principles, and masterly treatment contained in this quite new work make it extremely popular. Each topic is so clearly and fully developed that the next follows easily and naturally. Young pupils can handle it, and should take it up before studying Higher Arithmetic. Like the Geometry, it can be readily mastered in one term. It only needs introduction to make it indispensable. Key, $1.10*. Peterson's Familiar Science. Peterson's Familiar Science. 12mo. This popular application of science to every-day results is universally liked, and has an immense circulation. No school should be without it. Inexperienced teachers have no difficulty in teaching it. Griffin's Natural Philosophy. BY LA ROY F. GRIFFIN, PROF. OF THE NAT. SCIENCES AND ASTRON., LAKE FOREST UNIVERSITY, ILL. Professor Griffin presents his subject so simply, clearly and logically, his definitions are so brief and yet clear, and his experiments so vivid and impressive, that the subject is easily mastered and firmly impressed on the student. All the latest applications of the science to Electric Lights, Telephone, Phonograph, Electro-Plating, Magnetic Engines, Telegraphing, etc. are lucidly explained. Griffin's Lecture Notes on Chemistry. Roberts's History of the United States. Short, compact and interesting, this History is admirably arranged to fix facts in the memory. These only are dealt with, leaving causes for more mature minds. It ends with the close of the late war. Sheppard's Text-Book of the Constitution. The ablest jurists and professors in the country, of all political denominations, have given these works their most unqualified approval. Every young voter should be master of their contents. Montgomery's Industrial Drawing. This consists of a series Drawing Books, comprising a Primary and Intermediate Course. The system is self-tea hing, is carefully graded and is easily taught. Fairbanks's Bookkeeping.* |