The Wealth of Nations by Part 1 Chapter 8 Page 40

the greater part of the kingdom, cost half the price which they used to do thirty or forty years ago. The same thing may be said of turnips, carrots, cabbages; things which were formerly never raised but by the spade, but which are now commonly raised by the plough. All sort of garden stuff, too, has become cheaper. The greater part of the apples and even of the onions consumed in Great Britain were in the last century imported from Flanders. The great improvements in the coarser manufactures of both linen and woollen cloth furnish the labourers with cheaper and better clothing; and those in the manufactures of the coarser metals, with cheaper and better instruments of trade, as well as with many agreeable and convenient pieces of household furniture.

Soap, salt, candles, leather, and fermented liquors have, indeed,