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They are composed almost totally of non-combustible materials. The window panes are not made of a brittle substance like glass, but resemble mica, except that they are more tough and durable. These Moonites are wiser than we in roofing their houses. They have discovered a mineral composition which in its plastic state is daubed over the roof.
Mary Isabel's conscience would not let the doctor say anything uncomplimentary of Louisa, and the doctor's conscience would not let him say anything complimentary. So they left her out of the question and talked about the sea and the boats and poetry and flowers and similar non-combustible subjects.
This for the free and non-navigable balloon, though for the airship, carrying means of combustion, and in military work liable to ignition by explosives, the gas helium seems likely to replace hydrogen, being non-combustible. In spite of the development of the dirigible airship, there remains work for the free, spherical type of balloon in the scientific field.
"So he's paying his court to Madame Paul," thought Chupin. "Isn't it shameful? The old villain! he might at least give her enough to eat!" So far his preoccupation had made him forget his wine and his cigar. He emptied the glass at a single draught, but it proved far more difficult to light the cigar. "Zounds! this is a non-combustible," he growled.
By the aid of these convolutions any person of Jupiter can tell in daylight or darkness the nature of any surrounding substance, whether it be hard or soft, combustible or non-combustible, good for food or not. I confess that I was unable to grasp the idea intelligently. So the people on the Moon had the same difficulty in understanding the use of my nose.
The materials used are non-combustible and water-proof, and will wear indefinitely. These houses can be put together in a few days and the trimmings adjusted in less than two weeks, unless the structure is very elaborate. Nearly all of their house furniture is also non-combustible, and no one has ever conceived the idea of forming a fire insurance company, simply because there is no need for one.
"There cannot, therefore, exist, as far as relates to us, any combustible body but such as are non-combustible at the ordinary temperature of the earth, or, what is the same thing in other words, that it is essential to the nature of every combustible body not to possess the property of combustion unless heated, or raised to a degree of temperature at which its combustion naturally takes place.
We say the first are non-combustible, and will not support combustion; the second are supporters of combustion, the third are combustible gases. Of course these are, as the lawyers say, only ex parte statements of the truth; still they are usually accepted. Oxygen gas will ignite a red-hot match, but hydrogen will extinguish an inflamed one, though it will itself burn.
This experiment clearly shows that temperature is a most important factor in the illuminating value of a flame, and this is still further shown by a study of the action of the diluents present in coal gas, the non-combustible ones being far more deleterious than the combustible, as they not only dilute, but withdraw heat.
And as he spoke an Aureole of Virtue seemed to curdle above him, while his Countenance bore an Expression of Placid Triumph, which meant that he was the real Asbestos Paragon who had been tried in the Furnace and declared Non-Combustible. MORAL: Some People are Good because it Comes High to be Otherwise. One Day a keen Business manager who thought nobody could Show him was sitting at his Desk.