2. That he not only has a knowledge of the species or kinds of goods,
but of the places and peculiar countries where those goods, whether
product or manufacture, are to be found; that is to say, where produced
or where made, and how to come at them or deal in them, at the first
hand, and to his best advantage.

3. That he understands perfectly well all the methods of
correspondence, returning money or goods for goods, to and from every
county in England; in what manner to be done, and in what manner most to
advantage; what goods are generally bought by barter and exchange, and
what by payment of money; what for present money, and what for time;
what are sold by commission from the makers, what bought by factors, and
by giving commission to buyers in the country, and what bought by orders
to the maker, and the like; what markets are the most proper to buy
every thing at, and where and when; and what fairs are proper to go to
in order to buy or sell, or meet the country dealer at, such as
Sturbridge, Bristol, Chester, Exeter; or what marts, such as Beverly,
Lynn, Boston, Gainsborough, and the like.

In order to complete the English tradesman in this manner, the first
thing to be done is lay down such general maxims of trade as are fit for
his instruction, and then to describe the English or British product,
being the fund of its inland trade, whether we mean its produce as the
growth of the country, or its manufactures, as the labour of her people;
then to acquaint the tradesman with the manner of the circulation where
those things are found, how and by what methods all those goods are
brought to London, and from London again conveyed into the country;
where they are principally bought at best hand, and most to the
advantage of the buyer, and where the proper markets are to dispose of
them again when bought.