Portable instructions for purchasing the drugs and spices of Asia and the East-Indies pointing out the distinguishing characteristics of those that are genuine, and the arts practised in their adulteration. With practical Directions for the Choice Of Diamonds, And an accurate Account of the Chinese Touch-Needles, OR, The Method Of Judging Of The Fineness Of Gold BY Its Colour. To which is prefixed, a table of the custom-house duties at London. Compiled from respectable authority by H. D. S.
Steel, Henry Draper, 1756-1818. | Date: [1779]