Archive for January, 2007

Medical Achievements 1929

MEDICINE AND SURGERY 1929 by MORRIS FISHBEIN, M.D. Editor, Journal American Medical Association Popular Science Monthly – January 1930 THE following subjects have been of exceeding interest during the year just completed. The concentrated extract of vitamin D made by irradiating ergosterol and now prescribed and sold as viosterol is of the greatest importance as [...]

Communication Achievements of 1929

COMMUNICATION DEVELOPMENTS 1929 by FRANK B. JEWETT, Ph. D. President, Bell Telephone Laboratories Source: Popular Science Monthly – January 1930 IMPROVEMENTS in apparatus, circuits, and methods continue to extend the limits of communication and to im-prove its speed, quality, and depend-ability. Illustrative of this is the proposed transatlantic telephone cable, the main link of which [...]

Geography Achievements in 1929

GEOGRAPHY ADVANCEMENTS 1929 by WILLIAM BOWIE Chief, Division of Geodesy, U. S. Coast and Geodetic Survey Source: POPULAR SCIENCE MONTHLY – January 1930 EXPLORATIONS have been in progress or initiated during the year along a number of different lines. Commander Richard Evelyn Byrd has been in the Antarctic, exploring the edges of the ice fields [...]

Radio Advancements in 1929

RADIO ADVANCES 1929 by JOHN V. L. HOGAN Radio Engineer and Inventor THE growth of radio during 1929 has been not only in the improvement of technical processes and apparatus, but also in the organization and extension of its services and in the adaptation of radio principles to work in various other fields. Public contact [...]

Engineering Achievements of 1929

ENGINEERING ADVANCEMENTS 1929 Source: Popular Science Monthly – January 1930 by COLLINS P. BLISS, M.A. Professor of Mechanical Engineering, New York University FORMAL opening of the eight-mile Cascade Tunnel, the longest railroad tunnel in the United States, ushered in the engineering year of 1929. Outstanding engineering projects of the year include the great International Bridge [...]

Advances in Aviation 1929

AERONAUTIC ADVANCES by ALEXANDER KLEMIN, Sc.M. Professor of Aeronautics, New York University ONEÂ ofÂ the most striking developments of the year in aeronautics has been the use of ethylene glycol in the cooling of aircraft engines. Since water boils at 212 degrees F., operating temperatures must be kept down to 180 degrees. With ethylene glycol [...]

Obtaining a Patent 1930

PATENTS TRADEMARKS AND COPYRIGHT THE VICTOR BUILDING: Our New Building Nearly Opposite U.S. Patent Office Specially Erected by Us for Our Own Use OUR OFFER FOR THE PROTECTION OF YOUR INVENTION YOUR FIRST STEPâ€”The inventor should write for our blank form “RECORD OF INVENTION.” Before disclosing your invention, a sketch and description should be made [...]

Automotive Advances for 1929

AUTOMOBILE ACHIEVEMENTS 1929 by ALFRED REEVES General Manager, National Automobile Chamber of Commerce WHILE the motor production for the year just concluded was climbing well above the five-million mark, and sales abroad were in the neighborhood of one million vehicles, scientific advances were underwriting stability for the motor industry. In short, we cannot divorce the [...]