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Accordingly in the seventeenth century, one Francisco Lana, another priest, proposed to build an airship supported by four globes of copper, very thin and light, from which all the air had been pumped. The globes were to be twenty feet in diameter, and were estimated to have a lifting force of 2650 pounds.
The consequence was, that during the three succeeding years only 165 out of 4243 children died within the first two weeks, or less than 4 in 100. As there was no other known cause of improvement in the health of these children, it may be justly inferred that, during the four years first mentioned, 2650 children, nine tenths of the whole number, had perished for want of pure air.
From the respective times at which the minima take place, it appears that the canal quickening occupies fifty-two days, as evidenced by the successive vegetal darkenings, to descend from latitude 72° north to latitude 0°, a journey of 2650 miles. This gives for the water a speed of fifty-one miles a day, or 2.1 miles an hour.
A smart, active man for a L. M. T. Dig. Night work only. Headquarters London and Cairo. A linguist preferred. FOR SALE A BARGAIN Single Plane, narrow-gauge vans, Pinke motor. Restayed this autumn. Hansen air-kit, 58 in. chest, 153 collar. Can be seen by appointment. N. 2650 This office. Thin Oxford, limp back. 12L 6d. BELT'S COASTAL ITINERARY. Short Lights of the World. 7s. 6d. Ready, Jan. 16.
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