Perhaps the greatest invention to make for the safe navigation of ocean-going ships since the introduction of the sextant and wireless, has been the gyroscopic-compass. Since the first introduction of ...

The compass—oldest known navigating instrument—has been revolutionized. Last week Bendix Aviation Corp. announced a new automatic compass that makes the old magnetic needle* look as obsolete as a ...

Founded in 1921, Society for Science & the Public's mission is to advance public understanding and appreciation of scienceamong people of all ages through publications and educational programs. A ...

IT was about eighty years ago that Foucault carried out his ingenious experiments with the gyroscope, but for half a century the apparatus had no practical application. It has now, however, been ...

THE writer of this review read and admired many of the chapters composing this book as they appeared in the Engineer during the opening months of last year. The treatment is entirely non-mathematical ...