Quote Originally Posted by Helen B
A colleague and I did a modest search of available information on perborate latensification then mulled it over for a while. Here is our lazy, hurried plagiarism of other people’s hard work, with a few insignificant additions, fantasies and elaborations of mine:

Very interesting info. Will have to experiment. American Cinematographer had some articles about low-light latensification in the 1950s. Apparently Columbia Studios used it especially for productions like "Sunset Boulevard". I have not been able to find a library with ASC that went back that far.