How to Use the Spirit Cabinet. When the cabinet is properly arranged the medium enters it and sits down on a chair provided for that purpose. He should not be disturbed thereafter, but should be encouraged and aided in his work by the maintenance of a quite, reverent mental attitude on the part of the members of the circle. It will be found helpful if a few hymns are sung while waiting for manifestations from the cabinet. The best way to encourage materialization at a regular circle is for gradual steps to be taken leading up to this high phase of phenomena. For example, the circle should sit in the ordinary way at its regular meetings, and devote itself to the production of the lesser forms of phenomena. Then, before adjournment, the medium may go into the cabinet while the circle sits for materialization phenomena. This practice may be made to form a regular part of the proceedings of the circle. But the circle must be very patient concerning the production of this class of phenomena, for the necessary conditions are very difficult to develop, even when aided by the most powerful spirits. Many sittings may be required before even the slightest sign of materialization is obtained--but the final result will repay much waiting and watching, much patience and much perseverance. But sooner or later the phenomena will come if the proper conditions are provided for them. Spirit Phosphorescence. The first evidence of the presence and activity of the spirit forces striving to produce the phenomena and materialization will probably be the appearance of peculiar hazy phosphorescent lights playing in front of the curtain forming the front of the cabinet. These lights will consist of small globules or balls of phosphorescent light that will dance about, like the familiar will-o'-the-wisp seen over swamps and in damp, woody places. These lights will flit here and there, will alternately appear and disappear. Sometimes they will appear as if a multitude of fire-flies were clustered in front of the curtain. When these fire balls appear the circle may know that it is well on the way to perfect materializations. Appearance of Materialized Substance.