I've mentioned before that I kept my negatives & slides in archival
sleeves in binders & that most of the binders were destroyed when my
home was damaged by Hurricane Fran (roof came off, ceilings collapsed,
binders buried).

In the years since I've found some quantity of materials I hadn't gotten
around to properly preserving and these materials survived the disaster.
With my Nikon scanner now working under Windows 7 I've started scanning
the old slides & negatives that survived.

My first impression is the reason that I never got around to placing
them into archival protectors in the binders I kept is that most of them
weren't very good photography. I collected the best into the binders &
the rest languished.

Among the surviving materials is a box of slides from Dale Laboratories.
Dale used to advertise in the back of Popular Photography & Shutterbug
that you could send them your regular color negative film & they'd send
back prints, negatives *and slides*.

I've been trying to figure out what kind of film process Dale used to
produce the slides. I think what they did was expose the negatives onto
film that was made for motion picture prints (i.e. the film that went
through the projector in the theater).

Google has let me down. I can't find any site that gives me an
explanation of the process or tells me what the likely film would have
been. Almost everything I turned up wanted to tell me how to scan the
slides I already have, but no one has a site about the process of
creating slides from negatives.

Anyway, one of the "rescued" Dale Laboratories slides, scanned & processed.

Monkeys at the North Carolina Zoo in 1988.

https://www.flickr.com/photos/jb_sessoms/13904232928/

Most likely I took this with a Tokina 70-210 zoom on a Pentax Super
Program. There are a lot of artifacts that I don't think came from the
dust removal process, because they're scattered throughout & not just
where there was dust or dirt I couldn't get off the slide before scanning.

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