THE HYDROSCOPE | AdventAI

Pacific Press Publishing Company · Oakland, California · Apr 20, 1904

FromSigns of the Times, Vol. 30, No. 16.

THE HYDROSCOPE.

An Instrument for Seeing Down through the Ocean’s Depths.

It appears to be simple enough, this wonderful instrument, as described by Dr. C. Libertacrio, in an article, “To Spy Out the Sea Bed,” in the January Pearson’s. “So far as one can see, it consists of a long tube, fitted with various optical instruments at the end. The secret of the instrument lies within—in the mechanism that gives it the power.

“When the instrument is fitted to a ship, an image of the water and the things therein beneath the ship can be thrown onto a screen on deck, so that a number of people at one time can see what is going on in the water beneath them. So the hydroscope, among its minor benefits, will give a new amusement to ocean travelers. The instrument, moreover, can be so adjusted that it will reflect not only objects lying beneath it, but those around and above, thus enabling a captain to keep an eye on the keel of his ship, or to examine the keel in case of accident, while steaming at full speed.

“Cavaliere Pino is confident that his instrument is powerful enough to enable him to peer into the deepest depths of the sea. In case the water should prove too dense, however, and for use at night-time, he has devised a new form of electric lamp, which will throw shafts of light to practically any depth.”