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The skeleton of the machine is formed of an alloy which combines the qualities of aluminium and steel to ensure toughness, strength, and lightness. In fact, metal is employed liberally throughout, except in connection with the wings, which follow the usual lines of construction. The body of the car is sheathed with steel plating which is bullet proof against rifle or even shrapnel fire.
To illustrate the effect of the screen, and the advantage of using it, I have here two bulbs of the same size, with their stems, leading-in wires and incandescent lamp filaments tied to the latter, as nearly alike as possible. The stem of one bulb is provided with an aluminium tube, the stem of the other has none.
Later in the day, passing through the ward, I saw him surrounded by five or six Parisian ladies who were showering sweets, cigarettes and flowers on him, whilst he was responding by presenting each of them with an aluminium ring. When they had left I went to him and told him "Mahmud, that was not kind. I asked you for a ring and you said you had not got any more aluminium."
The fact that the aluminium constituted a dangerous collector of electricity rendered the installation of wireless upon the Zeppelin not only perilous but difficult. Very serious disturbances of an electrical nature were set up, with the result that wireless communication between the travelling dirigible and the ground below was rendered extremely uncertain.
Mustard Gas or Dichlordiethyl Sulphide. This was prepared in four stages: Preparation of Ethylene by heating alcohol with an aluminium oxide catalyst at 400'0 C. Preparation of Ethylene-chlor-hydrin, by passing ethylene and carbon dioxide into a 10 per cent. solution of bleaching powder at a temperature below zero centigrade, and subsequent concentration of the product to a 20 per cent. solution.
The old Nellie still lived in her. The party passed to the first floor. And the first floor exceeded the ground floor in marvels. In each bedroom two aluminium taps poured hot and cold water respectively into a marble basin, and below the marble basin was a sink. No porterage of water anywhere in the house. The water came to you, and every room consumed its own slops.
The two dogs, destined to acclimatise the canine race upon the lunar continents, were already imprisoned in the projectile. The three travellers approached the orifice of the enormous iron tube, and a crane lowered them to the conical covering of the bullet. There an opening made on purpose let them down into the aluminium vehicle.
Finally, firmly attached to the inner framework by rods of aluminium, were two cars of the same metal, furnished with buffer springs to break the force of a fall.
Spencer's air-ship B is a much larger vessel, being 150 feet long and 35 feet in diameter, with a capacity for hydrogen of 100,000 cubic feet. The framework is of steel and aluminium, made in sections, with cars for ten persons, including aeronauts, mechanics, and passengers. It is driven with two petrol aerial engines of from 50 to 60 horse-power. About the time that Mr.
"A projectile of 108 inches in diameter and 12 inches thick would weigh, if it were made of cast-iron, 67,440 lbs.; cast in aluminium it would be reduced to 19,250 lbs." "Perfect!" cried Maston; "that suits our programme capitally." "Yes," replied the major; "but do you not know that at nine dollars a pound the projectile would cost " "One hundred seventy-three thousand and fifty dollars.
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