Experimental Science
Elementary Practical and Experimental Physics
By GEORGE M. HOPKINS
Revised and Enlarged Edition. Two Octavo Volumes. 1,100 Pages. 900 Illustrations.
Cloth Bound, $5.00. Half Morocco, $7.00
The object of the work is to afford to the student, the artisan, the mechanic, and in fact all who are interested in science, whether young or advanced in years, a ready means of acquiring a general knowledge of physics by the experimental method.
The leading principles of physics are illustrated by simple and inexpensive experiments and the endeavor has been made to make the explanations of both apparatus and experiment plain and easily understood. In the new edition, the scope of the work has been broadened and presents the more recent developments in modern science.
An illustrated circular and complete table of contents sent free on application.
MONOPLANES AND BIPLANES
Their Design, Construction and Operation
By GROVER CLEVELAND LOENING, B.Sc., A.M., C.E.
12mo, 340 Pages, 278 Illustrations. Price, $2.50 postpaid
A New and authoritative work, covering the whole subject of the aeroplane, its design, and the theory on which its design is based, and containing a detailed description and discussion of thirty-eight of the more highly successful types. It is a thoroughly practical work, and invaluable to any one interested in aviation. The scientific exactness of the valuable data and references, as well as the high character of the innumerable illustrations and diagrams, renders this work, easily, the most useful, practical and complete that has as yet been contributed to the literature on aeroplanes.
An illustrated descriptive circular sent free on application.
Mechanical Movements,
Powers and Devices
By GARDNER D. HISCOX, M. E.
Octavo, 403 Pages, 1,788 Illustrations. Price, $2.50.
This is a collection of 1,788 specially made illustrations of different mechanical movements, accompanied by appropriate descriptive text. It is practically a dictionary of mechanical movements, powers, devices and appliances and contains an illustrated description of the greatest variety of mechanical movements published in any language. This work covers nearly the whole range of the practical and inventive field, and is of much value to inventors, draughtsmen, mechanics, machinists, engineers and all others interested in any way in the devising and operation of mechanical work of any kind.
Mechanical Appliances,
Mechanical Movements and
Novelties of Construction
By GARDNER D. HISCOX, M. E.
Octavo, 396 Pages, 970 Illustrations. Price, $2.50.
This book, while complete in itself, is in fact a supplement to the preceding volume. Unlike the first volume, which is more elementary in character, this volume contains illustrations and descriptions of many combinations of motion and of mechanical devices and appliances found in different lines of machinery. Each device is illustrated by a line drawing with a complete description, showing its working parts and the method of operation. The machines illustrated and described cover an immense field and have been carefully selected to supply the needs of those seeking either general or special information.
Special Offer
These two volumes sell for $2.50 each, but when both are ordered at one time, we send them prepaid to any address in the world on receipt of $4.00. You save $1.00 by ordering the two volumes at one time.