This technique of laying over double transparencies was introduced to me by Geoff Stray, 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 Geoff recommended..
I already had one transparency of The Joseph of Arimathea strained glass window from St John the Baptist Church in Glastonbury, after my Mama passed I inherited hers, we had bought them together on a trip to Glastonbury Abbey together, I live in Canada, Mama lived in UK.
Different angles of rotation produced thousands of images, here are a few
Here is the window
Joseph’s Staff transforms into a Golden Lance
His Feet transform into Copper Scrolls
Guardians transform and appear
Scrolls with Pine Cone represents the open third eye revealing the Wisdom
A Lion Face King
A great White Ship, The 13th Lunar House at 216, on an Island the shape of a Man, surrounded by a cratibus, harbour.