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 ...
"From the Philosophical transactions.--Part I. for 1839." Includes various tables. Provenance: Bern Dibner (donor); Alnwick Scientific & Mechanical Institution (stamp and author's signed presentation ...
The invention of an improved ship’s compass, of the earth-inductor type, was announced by the U. S. Bureau of Standards. It is said to possess many advantages over the usual magnetic type of ship’s ...