The features editor of The Sunday Times of London called this "the photographic equivalent to the discovery of the Dead Sea Scrolls".
These works, fragments of everyday life that others have left behind, have an unusual raw and random beauty, like the photographic equivalent of sgraffiti or Art Brut.
This process is the photographic equivalent of a cylindrical map projection in cartography.
It was the photographic equivalent of sawing a lady in half, except the photographer was also the lady.
With sales figures like those, throwaways have become the photographic equivalent of plastic razors.
Platinum is the photographic equivalent of marble.
It was conceived by Donald Trounson as a photographic equivalent of John Gould's Birds of Australia.
In the parlance of the day, he achieved the photographic equivalent of "grokking" his subjects.
"In the evenings," he explained, "I would take my museum director's suit off, and do the photographic equivalent of life drawings."
In this regard, it is the photographic equivalent of the worst aspects of Neo-expressionism.