Twentieth Book
Itlustration 467
would be much better, much less labour and expense, to make a canal to join the rivers, and let the barges cross there. I reply, that that is so, but it might be that the river in question was needed by the local people for sorne irrigation works, or to supply milis and fulling stocks- and also that if one river were lower than the other, the trench would have to be very low, and the water of the one would be conveyed into the other. So in this matter, attentíon should be paid to the advantage and profit of the local people, not to take away from them as much as they are going to receive. This is the method of the carríage to convey the goods from the barges: the carriage to convey the barge is to be made in another way. The wheels are to go under the carriage they call the 'horse' on account of the load that it carries. The carriage to convey the allustration 467) boat is quite different from this one in its construction, as it is to be much bigger, and the ends are slanting or bevelled. Illustration 468
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