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Babbage, Charles, 1792-1871

"On the Economy of Machinery and Manufactures"

I mention this merely to shew the importance of
trifles; and to assign one reason, amongst many, for my
conviction that nothing but personal communication can enable
our manufactures to be transplanted.
301. In many instances it is exceedingly difficult to
estimate beforehand the sale of an article, or the effects of a
machine; a case, however, occurred during a recent enquiry, which
although not quite appropriate as an illustration of probable
demand, is highly instructive as to the mode of conducting
investigations of this nature. A committee of the House of
Commons was appointed to enquire into the tolls proper to be
placed on steam-carriages; a question, apparently, of difficult
solution, and upon which widely different opinions had been
formed, if we may judge by the very different rate of tolls
imposed upon such carriages by different 'turnpike trusts'. The
principles on which the committee conducted the enquiry were,
that 'The only ground on which a fair claim to toll can be made
on any public road, is to raise a fund, which, with the strictest
economy, shall be just sufficient--first, to repay the expense
of its original formation; secondly, to maintain it in good and
sufficient repair.


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