The London dispensatory, reduced to the practice of the London physicians wherein are contain'd the medicines, both Galenical and chymical, that are now in use ... / by John Pechey ...

Steel prepared, in Latin, Chalybs praeparatus▪

Take of the filings of Steel separated from the filth by a Loadstone, as much as you please, moi∣sten them twelve times with sharpe white Wine Vi∣negar, and dry them in the sun, or in a dry or warm air, then grind them upon a Porphyry stone, pour∣ing upon them a little Cinnamon water, and le•• them be reduced to a very fine powder, and kep•• for use. It may be also prepared by thrusting role•• of Brimstone upon red hot Steel, for then it wil•• melt by drops into a Bucket of water placed unde•• it; dry it, and powder it, and keep it for use.

Virtues. It is good to open obstructions, an•• sweeten the blood, and for Hysterick, and Hypochondri∣ack difeases.

Dose. Eight or ten grains of it may be taken i•• a morning, mixed with Conserve of Roman Worm∣wood, for the space of a month, drinking upon i•• a good draught of Wormwood Wine or Beer.