An edition of The merchants mappe of commerce (1638)

The merchants map of commerce

wherein the universal manner and matter of trade is compendiously handled. The standard and current coins of sundry princes observed. The real and imaginary coins of accounts and exchanges expressed. The natural and artificial commodities of all countreys for transportation declared. The weights and measures of all eminent cities and towns of traffick, collected and reduced one into another, and all to the meridian of commerce practised in the famous city of London

By Lewes Roberts