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Rh conception or design. These are they whom you saw yesterday. Their work is mainly the making of our food and clothes, and the construction of our means of locomotion, and of the machinery by which the work is done. That machinery is designed and executed in model at the other end of the valley by the other men in the intervals of their more important work. That work, however, you cannot understand until you become better acquainted with us."

We had now reached the platform, and we saw the men at work just as we had seen them the day before. Signor Davelli uttered a single word which I did not understand, and on hearing it the men turned, and then followed for a very few minutes the same sort of pantomimic action which I had already seen and have described. Then they resumed work.

Signor Davelli then took us to the works and invited us to observe the construction of the various machines in use.

I must not, however, run the risk of tiring you by any minute account of them here. Let it suffice to say that there was a much higher degree of mechanical skill exhibited in their construction than I have ever seen anywhere before or since, and that besides there was much that suggested the application of chemical