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Caustickes.
A Ruptorie of great force to open an Apo∣steme, mortifie a Fistula, &c.
* 1.1REc. Cineris fabarum two partes, calcis viuae pulu. partem tertiam. Put to them water and make a lée: which is neuer strong enough vntill it will beare vp an Egge, therefore strengthen and renewe your first order vntill you haue it fit for your purpose. When you haue your lee strong enough, resolue therin calcem viuam puluerizatam, auripigmentum, saponem saracenicum, as much of each as you see good, and mixe them all to the fourme of an Unguent.
Another Causticke.
* 1.2Rec. Pulueris sublimati ʒ.ij. succi hyos∣ciami ℥.j. Mixe them and drie them toge∣ther: afterward make them into most fine powder.
A most excellent Ruptorie.
* 1.3Rec. Calcis viui opt. lib.j. Burne the same againe in a fire of charre coales three or foure ••oures: after powder it finely. Put it in lixiuij barbitonsoris lib.ij. and boyle them together in a brasse pan vntill they bée