 | Andrew Ure - 1821 - 436 pages
...be contaminated, to any extent with coal-gas. As soon as there was a slight admixture of coal-gas, the platinum became ignited. The ignition continued...with flame. It then diminished. When the quantity of coal-gas was increased so as to extinguish the flame, the cage of platinum, at the moment of the... | |
 | Samuel Parkes - 1823 - 722 pages
...contaminated to any extent with coal gas. As soon as there was a slight admixture of coal gas, the platiniiui became ignited ; the ignition continued to increase...with flame ; it then diminished. When the quantity of coal gas was increased so as to extinguish the flame, at the moment of the extinction the cage of... | |
 | Sir Humphry Davy - 1825 - 174 pages
...introduced into a wire gauze safe-lamp a small cage made of fine wire of platinum of the one-seventieth of an inch in thickness, and fixed it by means of...with flame ; it then diminished. When the quantity of coal gas was increased so as to extinguish the flame ; at the moment of the extinction the cage... | |
 | Andrew Ure - 1828 - 872 pages
...the lighted wick. This apparatus was placed in a large receiver, in which, by means of a gas-holder, the air could be contaminated to any extent with coal gas. As noon as there was a alight admixture of coal gas, the platinum became ignited. The ignition continued... | |
 | Thomas Curtis - 1829 - 828 pages
...the lighted wick. This apparatus was placed in a large receiver., in which, by means of a gas-holder, the air could be contaminated to any extent with coal...with flame. It then diminished. When the quantity of coal gas was increased, so as to extinguish the flame, the cage of platinum, at the moment of extinction,... | |
 | John Ayrton Paris - 1831 - 582 pages
...was lighted. I placed the whole apparatus in a large receiver, in which, by means of a gas-holder, the air could be contaminated to any extent with coal...with flame ; it then diminished. When the quantity of coal gas was increased, so as to extinguish the flame, at the moment of the extinction the cage... | |
 | Andrew Ure - 1831 - 980 pages
...the lighted wick. This apparatus was placed in a large receiver, in which, by means of a gas-holder, the air could be contaminated to any extent with coal...with flame. It then- diminished. When the quantity of coal gas was increased so as to extinguish the flame, the cage of platinum, at the moment of the... | |
 | John Ayrton Paris - 1831 - 598 pages
...was lighted. I placed the whole apparatus in a large receiver, in which, by means of a gas-holder, the air could be contaminated to any extent with coal...ignition continued to increase till the flame of the * Sir Humphry Davy attempted to produce the phenomena with various other metals, but he only succeeded... | |
 | John Davy - 1836 - 436 pages
...fixed it by means of a thick wire of platinum, about two inches above the wick, which was lighted. 1 placed the whole apparatus in a large receiver, in...with flame ; it then diminished, when the quantity of coal gas was increased, so as to extinguish the flame. At the moment of the extinction the cage... | |
 | Royal Society (Great Britain) - 1817 - 476 pages
...atmosphere. I introduced into a wire-gauze safe-lamp a small cage made of fine wire of platinum of the T'^ of an inch in thickness, and fixed it by means of...with flame ; it then diminished. When the quantity of coal gas was increased so as to extinguish the flame; at the moment of the extinction the cage of... | |
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I placed the whole apparatus in a large receiver, in which, by means of a gas holder, the air could be contaminated to any extent with coal gas. As soon as there was a slight admixture of coal gas, the platinum became ignited; the ignition continued to... 