Interior of a pharmaceutical laboratory with people at work; the shop is visible through a doorway. Engraving, 1747.

The subject is decribed in The universal magazine, loc. cit., as follows: "Thus I have given a general view of the rise and progress of this art, and with it inclosed a draught, exhibiting a general view of practical chemistry in which 1 is a Retort; 2 a Pelican or Circulatory Vessel; 3 a crooked Glass-pipe; 4 a tabulated Retort; 5 a Receiver; 6 a Roundle; to set glasses on; 7 a Receiver with a glass pipe adjusted to it, to make a vessel for digestion; 8 a subliming Furnace, in which a is the head of the Aludels, b b b the Aludels, c the body of the Furnace; 9 the tin Serpentine; 10 the Glass-head; 11 the Recipient of the Serpentine; 12 the Copper-tinned Vessel containing Aqua Vita; 13 a furnace for distilling Aqua Vita; 14 a Mattress of Rencounter; 15 the vaporous Bath; 16 the Furnace of the vaporous Bath; 17 the Receiver for the vaporous Bath; 18 the Moor or Death’s Head; 19 a copper Vessel tinned within; 20 the Furnace; 21 a Barrel containing water to cool the liquor that distils, and the Pipe that carries the Liquor into the Recipient; 22 the Recipient; 23 the Chemist at work; 24 a Shelf of chemical books etc. 25 a Labourer beating Drugs in a Mortar; 26 an Apothecary’s Shop; and, in my next, I propose to delineate the Theory of this sublime art; in which I shall discourse of Metals, Salts, Sulphur, Stones, Vegetables, Animals, and of the benefit of this art of Chemistry in Natural Philosophy, and the mechanic arts, as well as in Physic. "