IN order to properly carry out the greatest and most important Operations of the Art, various Instruments are necessary, as a Knife with a white hilt, another with a black hilt, a short Lance, wherewith to trace Circles, Characters, and other things. The Knife with the white hilt (see Figure 61) should be made in the day and hour of Mercury, when Mars is in the Sign of the Ram or of the Scorpion. It should be dipped in the blood of a gosling and in the juice of the pimpernel, the Moon being at…