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Pia’s Amazing Discovery

While developing his plates to create a negative from which he would make positive prints, he made a fascinating discovery. What appeared on the glass plate negatives were positive images, startling in clarity and realistic in appearance. He quickly realized that the images on the cloth were themselves negatives.

For the first time people could see the amazing detail in the shroud’s images. It is not that the detail wasn’t there on the shroud. It was. But our minds are not well adapted to interpreting negative images.  What for centuries had appeared only as ghostlike images now appeared to be graphically remarkable front and back pictures of the man on the shroud. 

 

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Those Peculiar Images
Luminiferous Aether
History of Photography
The Negative in Photography
John Frederick William Herschel
John Herschel the Polymath
Mathew Brady
The Rough Riders
Secondo Pia
The Kingdom of Sardinia
Just Before the Twentieth Century
The World of Technology
Umberto I and Pia
A Year of Celebration
Pia Had Never Seen the Shroud
Awful Conditions for Pia
Pia’s Amazing Discovery
Yves Delage
The Chasm Between Science and Religion
Modern Biblical Literalism in Pia’s Day
The Real Issue
The Photograph Idea Revisited
Nicholas Allen
Picknett and Prince
Leonard da Vinci Fooling Us All?
 Alhazen Better that Leonardo
Herschel Even a Better Choice
Leonardo Struck a Chord
Alan D. Adler, Emeritus Professor of Chemistry at Western Connecticut University, in an article, “The Nature of the Body Images on the Shroud of
The Blood on the Shroud
Albedo Image
Lambert, is better known for demonstrating that pi is
Who Knew More First
Proximity to the Observer