This technique of laying over double transparencies was introduced to me by a friend he mentioned Maurice Cotterell, note the name Maurice..May your eyes see. Maurice Cotterell deciphered The Lost Tomb of Viracocha and wrote some excellent books about his discoveries, which were recommended.. I already had one transparency of The Joseph of Arimathea stained… Continue reading Hidden Images in The Joseph of Arimathea Stained Glass Window.