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One day when he and Arthur had gone out for that purpose, Marian asked me to accompany her in search of a peculiarly elastic grass called the "capim grass," and two or three other sorts which grew on the banks of the stream. Tim and Sambo followed, to assist us in bringing back what we might collect; and Kallolo and Maco, wishing to shoot some birds, came with their blowpipes and bows and arrows.
I have made for special work such as heating up odd shapes of forgings, brands, etc. blowpipes constructed of perforated tubes formed to almost every conceivable shape; these being supplied with gas from the ordinary main and a blast of air from a Root's or foot blower. I have here an example of a straight-line blowpipe made for heating wire passed along it at a high speed.
There is one use of gas which has already proved an immense service to those who, in the strictest sense, live by their wits. In a small private workshop, with the assistance of gas furnaces, blowpipes, and other gas heating appliances, it is a very easy matter to carry out important experiments privately on a practical scale.
The thousands of uses to which blowpipes are adapted are so well known, that they need no mention, except the curiously ignored fact that the power of any blowpipe depends on the air pressure. A compact flame of high temperature cannot be obtained except with a heavy air pressure, and the ignorance of this fact has caused an immense number of unexplained failures.
Enough munition, and accommodation for troops were there to show that it was to be the jumping-off place for an attack on Australia. Such armament could never have been meant merely to impel Kultur on the poor, harmless blacks with their blowpipes and bows and arrows.
They were armed with blowpipes and quivers full of poisoned darts made of thin charred pieces of bamboo tipped with this stuff. One of them aimed a dart. It missed the object overhead, glanced off the tree, and fell down on the hunter himself. This is how the other native reported the result: "'Quacca takes the dart out of his shoulder. Never a word.
Their blowpipes hung from the roof of the hut, carefully suspended by a silk-grass cord; and on taking a nearer view of them, no dust seemed to have collected there, nor had the spider spun the smallest web on them; which showed that they were in constant use.
It will, perhaps, be new to many of you that blowpipes can easily be made in a form which admits of any special shape of flame being produced.
The construction and power of blowpipes, with the laws ruling the proportions and power, will be found in an article on "Blowpipe Construction," published in Design and Work, March, 1881, and as the matter is there fully treated, no further reference to the subject is necessary.
They carry with them a supply of rice, salt, and tobacco, cooking-pots and matches, a change of raiment, spears, swords, shields, blowpipes, and perhaps two or three dogs. On striking into the jungle, they drag their boat on to the bank and leave it hidden in thick undergrowth.
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