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Rh small vessels of which I have told you. All the machines appeared to be of the same sort, and engaged in the same work. I concluded that the man at the table with the trough in it was examining certain substances, and that these were being treated by the men at the machines with a view to some modification of their nature. And I had no doubt that this work, whatever it was, stood in some direct relation to the work at the seed beds.

If I had had any such doubt it would have been removed by what I observed at the other end of the row of machines. There I saw a table just like an enormous billiard table, only there were no pockets, and at this table stood four or five men busily at work. This table was connected with the seed beds by the rails, along which ran the boxes on wheels. Indeed, it was to it that my look had first been directed when I followed, with my glass, the course of these boxes. But the more curious aspect of the machines had attracted my attention, and I had observed the whole row of them to the other end and the table with the trough in it which stood there, before observing this end more particularly. I now saw that the substances which had been examined in the trough and treated in the machines were carried, still by automatic machinery, to