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Babbage, Charles, 1792-1871

"On the Economy of Machinery and Manufactures"


Silver is rather a permanent metal. Some portion is consumed
in the wear of coin, in that of silver plate, and a portion in
silvering and embroidering.
Tin. The chief waste of this metal arises from tinned iron;
some is lost in solder and in solutions for the dyers.

Chapter 17
Of Price as Measured by Money
201. The money price at which an article sells furnishes us
with comparatively little information respecting its value, if we
compare distant intervals of time and different countries; for
gold and silver, in which price is usually measured, are
themselves subject, like all other commodities, to changes in
value; nor is there any standard to which these variations can be
referred. The average price of a certain quality of different
manufactured articles, or of raw produce, has been suggested as a
standard; but a new difficulty then presents itself; for the
improved methods of producing such articles render their money
price extremely variable within very limited periods. The annexed
table will afford a striking instance of this kind of change
within a period of only twelve years.


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