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Babbage, Charles, 1792-1871

"On the Economy of Machinery and Manufactures"

2. Tribute, which is payment
for raising and dressing the ore, by means of a certain part of
its v alue when rendered merchantable. It is this mode of payment
which produces such admirable effects. The miners, who are to be
paid in proportion to the richness of the vein, and the quantity
of metal extracted from it, naturally become quicksighted in the
discovery of ore, and in estimating its value; and it is their
interest to avail themselves of every improvement that can bring
it more cheaply to market. 3. Dressing. The 'Tributors', who dig
and dress the ore, can seldom afford to dress the coarser parts
of what they raise, at their contract price; this portion,
therefore, is again let out to other persons, who agree to dress
it at an advanced price.
The lots of ore to be dressed, and the works to be carried
on, having been marked out some days before, and having been
examined by the men, a kind of auction is held by the captains of
the mine, in which each lot is put up, and bid for by different
gangs of men. The work is then offered, at a price usually below
that bid at the auction, to the lowest bidder, who rarely
declines it at the rate proposed.


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