All transparencies. But anything that was printed was first exposed to a 
pre-fogged sheet of color neg, or, using special color neg material from Kodak. 
The pre-fogging worked better. 

I was tasked with making prints from 35mm color Kodachrome and Ektachrome 
slides that Weston's sons brought into the lab where I worked nights while 
attending college, Jones Photocolor. I didn't do them all, but I was taught by 
the owner how to use the enlarger to pre-fog a sheet of 5x7 neg material before 
I placed the carrier with the slide in. Once those 5x7 sheets were processed 
and checked, they were placed in either our 5x7 Elmer vertical enlarger for up 
to 20x24 prints or our custom horizontal (on rails in a large room) enlarger 
for the 40x60  prints for museums or shows. 

In some cases, we exposed transparency film for airport backlit billboards for 
Wells Fargo and a few airlines. 45" wide by 30' long film tacked up to the wall 
in the dark using taped on plastic guides, one sheet at a time. That was all we 
could process at a time on our Holtzmueller drum processor. It had to be 
accurate enough and properly replenished so each roll matched exactly once they 
were hung. Someone else did the trimming and edge reinforcements for display. 

More fun!


On Apr 16, 2013, at 13:41 , John Sessoms wrote:

> Perhaps even more so, as I'm pretty sure most of his color photography was 
> made with  Kodachrome. Anyone know of work Adams did with color negative film?
> 
> I don't, but if there is, I'd appreciate a link.



Joseph McAllister
Too much gear, not much time






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