This book illustrates basic practical applications of optical principle. Working models of telescopes, microscopes, photographic lenses, and optical projection systems are diagrammed and explained in full, as are the basic experiments for determining accuracy, power, angular field of view, amount of aberration, and all other necessary facts about the instrument. Throughout the book, only elementary mathematics is used, for the benefit of the student and the beginner in the field of optics.
The author, an assistant professor at the Imperial College of Science and Technology in London, shows how to set up working models of each of the four types of instruments named above, so that the reader can see for himself the effects of changing the focal length, using different types of lenses, rotating the lens, and other experiments. He also includes a number of experiments to illustrate theoretical principles such as the reflection and refraction of light and focal length measurements of concave and convex lenses.
A chapter on the human eye follows, and the author explains how to set up a simple working model of the eye in order to illustrate myopia, astigmatism, hypermetropia, and the visual acuity of the eye. Professor Johnson concludes with an important chapter on the working and testing of optical glass, in which he describes the roughing of lenses, the principles of the grinding and polishing processes, abrasives, edging, angle measurement, and other important steps in the production of optical glass. An appendix is included on the cleaning of glass surfaces, silvering, photographic items, developers, collodion films, and waxes and cements used for various purposes in optical work.
This is a valuable work for the student and the amateur hobbyist as well as for many who use optical instruments in science and industry. It is written clearly and economically, with the needs of the practical worker in the field of optics held constantly in mind.
"synopsis" may belong to another edition of this title.
Seller: BooksRun, Philadelphia, PA, U.S.A.
Paperback. Condition: Fair. 3rd Revised ed. The item might be beaten up but readable. May contain markings or highlighting, as well as stains, bent corners, or any other major defect, but the text is not obscured in any way. Seller Inventory # 0486606422-7-1-13
Seller: HPB-Diamond, Dallas, TX, U.S.A.
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Seller: HPB-Ruby, Dallas, TX, U.S.A.
Paperback. Condition: Very Good. Connecting readers with great books since 1972! Used books may not include companion materials, and may have some shelf wear or limited writing. We ship orders daily and Customer Service is our top priority! Seller Inventory # S_459378075
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Paperback. Condition: Fair. No Jacket. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. Seller Inventory # G0486606422I5N00
Seller: World of Books (was SecondSale), Montgomery, IL, U.S.A.
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Seller: Jeff Stark, Barstow, CA, U.S.A.
Soft cover. Condition: Good. 3rd Edition. Unabridged Dover issue from 1960 in good or better shape. No markings. Some cover wear interior unmarked and nice. Illustrated and with schematics , etc. Seller Inventory # 067109
Seller: Library House Internet Sales, Grand Rapids, OH, U.S.A.
Softcover. Condition: Good. No Jacket. Due to age and/or environmental conditions, the pages of this book have darkened. Solid binding. Moderate edgewear on the boards. Moderate shelf wear. Please note the image in this listing is a stock photo and may not match the covers of the actual item. Book. Seller Inventory # 123810959