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angle of incidence Animals appear beam of light beam of reflection beam of sunlight beautiful black mirror block of wood bright candle centi centre CHARLES BARNARD circle cloth color color-top critical angle curious dark room diagram diameter direction disk distance dotted lines experiment falls fastened flask focus give glass gray paper heliostat hold hole illustrations inch 25 millimetres inches 15.2 centimetres index of refraction lamp lantern light entering light passes look looking-glass magic lanterns ment metres mirror mucilage phenomena picture piece plano-convex lens point of incidence postal-card projection rays red square reflected light refraction represents ring screen shade shadow sheet shine side slender beam slide slip slit smoke source of light spot of light square stars straight surface things top spin tube wall water-lantern water-lens wide window yellow
Page 115 - THE EXPERIMENTAL SCIENCE SERIES. SOUND: A Series of Simple, Entertaining, and Inexpensive Experiments in tht Phenomena of Sound, for the Use of Students of Every Age.
Page 115 - LIGHT: a Series of Simple, entertaining, and Inexpensive Experiments in the Phenomena of Light, for the Use of. Students of every age.
Page 120 - Mr. Johonnot has made a good book, which, if judiciously used, will stop the immense waste of time now spent in most schools In the study of geography to little purpose. The volume has a good number of appropriate illustrations, and is printed and bound in almost faultless style and taste.
Page 120 - For sale by all booksellers; or sent by mail, post-paid^ on receipt of price. New York: D. APPLETON & CO., 1, 3, & 5 Bond Street.
Page 116 - It would really be difficult to exaggerate the merit, in the sense of consummate adaptation to its modest end, of this little treatise on 'Sound.' It teaches the youthful student how to make experiments for himself, without the help of a trained operator, and at very little expense. These hand-books of Professor Mayer should be in the hands of every teacher of the young."— New York Sun.
Page 117 - IN LIFE'S RACE; or, The Great * * Backboned Family. With numerous Illustrations. 12n10. Cloth, gilt, $1.50. " We can conceive of no better gift-book than this volume. Miss Buckley has spared no pains to incorporate in her book the latest results of scientific research. The illustrations in the book deserve the highest praise — they are numerous, accurate, and striking.
Page 118 - A most admirable little volume. It is a classified resume of the chief discoveries in physical science. To the young student it is a book to open up new worlds with every chapter.
Page 118 - A child's reading-book admirably adapted to the purpose intended. The young reader is referred to nature itself rather than to books, and is taught to observe and investigate, and not to rest satisfied with a collection of dull definitions learned by rote and worthless to the possessor. The present work will be found a valuable and interesting addition to the somewhat overcrowded child's library.
Page 3 - ... recommendation of this handy volume. The illustrations add to its interest and value, and its simplicity, both of design and execution, will commend it to beginners and others seeking information on the subject." From the Philadelphia Press. "It supplies a large number of simple and entertaining experiments on the phenomena of light, that any one can perform with materials that maybe found in any dwelling-house, or that maybe bought for a small sum in any town or city. This actually is philosophy...