317. Some approach to this system is already practised in
several trades: the mode of conducting the Cornish mines has
already been alluded to; the payment to the crew of whaling ships
is governed by this principle; the profits arising from fishing
with nets on the south coast of England are thus divided:
one-half the produce belongs to the owner of the boat and net;
the other half is divided in equal portions between the persons
using it, who are also bound to assist in repairing the net when
injured.
NOTES:
1. For a detailed account of the method of working the Cornish
mines, see a paper of Mr John Taylor's Transactions of the
Geological Society, vol. ii, p. 309.
Chapter 27
On Contriving Machinery
318. The power of inventing mechanical contrivances, and of
combining machinery, does not appear, if we may judge from the
frequency of its occurrence, to be a difficult or a rare gift. Of
the vast multitude of inventions which have been produced almost
daily for a series of years, a large part has failed from the
imperfect nature of the first trials; whilst a still larger
portion, which had escaped the mechanical difficulties, failed
only because the economy of their operations was not sufficiently
attended to.
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