1939 Bound January - June JOURNAL FRANKLIN INSTITUTE VOLUME 227 - Nos. 1357-1362. Six Issues Bound in Hardcover Binding

JOURNAL of the FRANKLIN INSTITUTE January through June 1939, VOLUME 227 - Nos. 1357-1362. Six Issues Bound in Hardcover Binding. The Franklin Institute was begun in Philadelphia, where it was chartered and opened 1824 "for the promotion of the mechanic arts," the first of its kind in the country. It was named for Benjamin Franklin. Since the 19th century it has been noted for its lecture series, trade exhibitions, investigations of new inventions, and work on governmental, industrial and scientific problems. The Journal of the Franklin Institute (published continuously since 1826) enjoys wide recognition, and its library is one of the outstanding technical collections in the country. 882 PAGES. INDEX for this Volume is intact and is at rear of volume. Original bound vintage magazines - NOT A REPRINT. PARTIAL LIST OF CONTENTS: Present Status of the Theory of the Effect of the Earth's Magnetic Field on Cosmic Rays / Lightning to the Empire State Building / Principles of Rotary Aircraft / The Evaluation of Negative Film Speeds in Terms of Print Quality / Our Knowledge of Atomic Nuclei / On High Speed Wind Tunnels / Purification of Water for Boiler Feed Purposes / Time Variations of Cosmoc Rays / The Fundamental Principles Underlying the Theory of Cosmic Radiation / A Synthetic Speaker / Cosmic Ray Showers / and more.