It is estimated that persons walking on Trees 3 feet in diameter were brought down purposes, have been made near Copenhagen,
the sunny side of the street are in light in some 20 or 25 minutes, whereas ordinary more than 5,000 time stronger than are felling would probably have taken ten times occupants of an ordinary darkened room as long. of a town house, while, strollers on the The generation of carbonic acid gas on seashore in sunny weather enjoy the iuinboard for putting out fire or reducing fluence of 18,000 times as much of the eat in a coal cargo was decided some years same health-giving agent. These facts are ago to be impracticable. The plan would revealed by the action of the different make necessary the carrying of a large bulk degrees of light on photographie plates, a of hydrochloric acid and chalk, while the lens and plate of certain speed taking a gas generated could not be so applied as to bright seaside view with an exposure of produce any considerable effect. A mora of a second, an open landscape away promising extinguisher and cooler was sug-from the eu in} of second, fairly groted of a recent meeting of the London institution of Naval Architects. Prof. Vivian lighted interior in 24 minutes, and a badly B. Lewes propused distributing through the lighted interior—such as many ladies pre-cargo cylinders of liquefied carbonic acid for, especially in summer—in not less than gas, which are now prepared on a largo 30 minutes. scale and can be obtained at a compara-If there were no other reason why a tively low price. In a steel cylinder 1 foot chair of hypnotism should be established in long and 3 inches in diameter 100 cubic medical colleges, it would seem desirable feet of gas can be condensed in a liquid for teaching students the simple method of state, and this would fill the air-spaces of, treating inebriates tried by Dr. Beruheim, and be sufficient to carry for, 8 tons of coal. of Paris. This physician created a distaste Fusible plugs would automatically liberate for liquor by simply suggesting without the contents of the cylinders on a dan-actually hypnotising the patient, that drink gerous heating of the coal. Not only would should be given up, and the effect seems to be permanent. Aside from other; medical through the cargo, but the return of the conibustiowstifing gas then be foroud value of hypnotism, the cure of drunkards carbonic acid to its gaseous state would—should even a few per cent. prove so produce intense ould and greatly lower the justify an effort to bring this mysterious susceptible to hypnotic suggestion—would temperature of the heated mass. The inert gas retained in the pores of the coal, more-agent to the aid of the profession, over, would prevent any further tendency The Tmperial Telegraph Department of to heat.
Berlin, finds that underground wires are The latest. French submarine boat—the much less affected by atmospheric elect Goubet—is cast in one piece of bronze, ie city than aerial wires, 388 interruptions 18 feet long by 6 feet in diameter, and can from storms having been recorded in 1888 carry 4 men. A heavy mass of lead on the for underground wires and 2,375 for aerial keel insures stability, and in emergency wires. In cities telephones seem to be can be detached by the turn of a screw protected from lightning in some degree inside the shell. The boat is driven by the network of wires above the house-electricity, but the currents are so powerful tops. as to affect the compass and make sub-'Aluminium bronze is coming into exten-marine steering uncertain. Oxygen is ive use in Germany for propellers and drawn as needed from tubes into which other fittings for boats. The alloy consists supply for many hours is compressed. of 90 per cent. of copper and 10 per cent. experiments on the Italian man-of-of aluminium, looks like gold, and has the war Messagyiero, the maximum speed of same weight as iron 15 knots an hour was increased to about In order to lure specimens of the deep-17 knots by the use as fuel of a mixture of sea animals to a trap, Prince Albert of coal and petroleum. The intense heat was Monaco found it necessary to sink an in-found to be injurious to the boilers, but cancesdent lamp with a powerful battery attempt will be made to lessen' this attached; but, the water pressure at a difficulty. depth of a-couple of miles being several hundred pounds to the square inch, he was unable to make a battery box of sufficient
Text read from the printed page and cleaned; old type leaves the occasional error.