Introduction to photographic principles

Introduction to photographic principles

Dec., I958.] BOOK NOTES THE ENCYCLOPEDIA OF CHEMISTRY (SUPPLEMENT), edited by George L. Clark. 330 pages, 7 X 10 in. New York, Reinhold Publishing C...

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Dec., I958.]

BOOK NOTES

THE ENCYCLOPEDIA OF CHEMISTRY (SUPPLEMENT), edited by George L. Clark. 330 pages, 7 X 10 in. New York, Reinhold Publishing Corp., 1958. Price, S10.00. Supplementing the original Encyclopedia (reviewed in the JOURNAL, Vol. 263, p. 475), this present volume adds more than 200 articles to those covered originally. It is the editors' intention to revise the original work, incorporating the supplement, as soon as it is economically feasible. Material in the supplement maintains the high standard of accuracy evident in the main work. The present volume emphasizes the area within which physics and chemistry can no longer be separated, namely, the chemistry of nuclear phenomena. Random samples are "Plasma," "Jet Propulsion," "Nuclear Magnetic Resonance," "Radiocarbon Determination," and "Radiation Biochemistry." [ NTRODUCTIONTO PHOTOGRAPHIC PRINCIPLES,

by Lewis Larmore. 229 pages, illustrations, 6 X 9 in. Englewood Cliffs (N. J.), Prentice-Hall, Inc., 1958. Price, $8.00. In this easily comprehensible volume which stresses the scientific concept of photography, the author shows the amateur photographer how to apply the basic principles of physics, optics and chenfistry, to create photographs of excellent quality. By assuming no previous knowledge of the subject on the reader's part, the text begins with the various types of cameras, their capabilities and limitations.

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Succeeding chapters dwell upon optical problems including image intensity, film sensitivity, elements of photographic chemistry and printing. More advanced phases of optical theory and also the essentials of stereoscopic (3-D) photography, color photography and colorimetry are covered. An appendix presents ffteen laboratory experiments which can be conducted with modest facilities and equipment along with 100 illustrations. The really serious camera enthusiast will welcome this book for its lucid, easily understandable account of the scientific bases upon which photography rests. FOURTH NATIONAL SYMPOSIUM ON VACUUM TECHNOLOGY TRANSACTIONS, edited by

Wilfred G. Matheson. 176 pages, ilhlstrations, 843 )< i1 in. New York, London and Paris, Pergamon Press Inc., 1958. Price, $12.50. Containing the papers presented at the 1957 symposium held in Boston by the American Vacuum Society, this fourth progress report on vacuum technology will be welcomed by workers in the field. Twentyeight papers are given covering basically three fields of interest: scientific bases of vacuum techniques; methods for obtaining and measuring high vacuum and ultra high vacuum; and industrial applications. The importance of vacuum techniques in space research is evident in this latest volume.