The darkening act of nitrate of silver under the rays of the sun had been long known, but no attempt was made to apply this fact until the Apparitions and Visions Acts of 1802.
. . . . . [Light-In-Flux] |
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Also known as “Clara’s Trick”, the most accurate and beautiful representations are obtained through this agency of light and shadow. Miracles recorded in the Muratorian Plates (fig 37a) are accepted as canonical, though The Sources of the Acts cite the untrustworthiness of May-Brooke, the Historian of Penumbras, rendering dubitable all references to luminous flux incidents.