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ISO   Art of f Travel.

Fire by Chemical Means.-It is not in the province of this book to describe the various matches that take fire by dipping them into compositions ; and I have already spoken of lucifer.matches in the last section. Only one source of fire remains to be noticed, it is

Spontaneous Combustion.-It is conceivable that the property which masses of greasy rags, and such-like matter, possess of igniting when left to themselves, might, under some circumstances, be the only means available to procure fire. It is at all events well that this property should be borne in mind when warehousing stores, in order to avoid the risk of their taking fire. Any oil mixed with a hatful of shavings, tow, cotton, wool, or rags, heaped together, will become very hot in one, two, or more days, and will ultimately burst into flame. The rapidity of the process is increased by warmth.

Tinder,-General Remarks.---There are two divisions of tinder : those that are of a sufficiently strong texture to admit of being grasped in the hand, and those that are so friable as to require a box to hold them. In the first division (a) are the following :-amadou, a roll of rag, a cotton lamp..

wick, a roll of touch-paper, a mass of hair of certain plants, and a long. string of pith sewed up in a sheath. To ignite these, we must hold them as in fig. 1, and use the steel to strike downwards upon the flint. In the second division (b) are:-tinder of burnt rags, tinder of any kind with grains of gunpowder strewed over it, and touch-wood. All these require tinder-boxes, as explained below. There are also many other

substances belonging to both divisions of tinder, in use. A traveller should inform himself about those peculiar to the country that he visits.

a Arnadou, punk, or German tinder, is made from a kind of fungus or mushroom that grows on the trunks of old oaks, ashes, beeches, &c. ; many other kinds of fungus, and, I

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