-----Original Message-----
From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-
bounce@xxxxxxxxxxxxx] On Behalf Of Dave V
Sent: Saturday, November 10, 2007 2:38 PM
To: pure-silver@xxxxxxxxxxxxx
Subject: [pure-silver] Re: Are most photographers visual learners... a
little OT
Sorry to mislead. I will disclose answer later, was wondering if others
knew.
----- Original Message -----
From: "Richard Knoppow" <dickburk@xxxxxxxxxxxxx>
To: <pure-silver@xxxxxxxxxxxxx>
Sent: Saturday, November 10, 2007 3:28 PM
Subject: [pure-silver] Re: Are most photographers visual learners... a
little OT
>
> ----- Original Message -----
> From: "Dave V" <DValvo@xxxxxxxxxxxxxxxx>
> To: <pure-silver@xxxxxxxxxxxxx>
> Sent: Saturday, November 10, 2007 9:19 AM
> Subject: [pure-silver] Re: Are most photographers visual learners... a
> little OT
>
>
> Becky, I'm sure I'm not typical of those that read this post. I have
more
> science background than photographic (trying to fix that in
> retirement).
> I have a masters degree in Image Science from RIT and spent 36 years at
EK
> from building photographic test systems to introducing new B&W papers.
I
> have taught the science side of photography to thousands of people
> (most
> at Kodak) but also in 5 countries. You can't imagine how trilled I am
> in
> retirement to finally shoot images for myself rather than test targets
or
> Shirley's. (Whoops! I just let a Kodak tidbit secret out of the bag.
> The first Kodak female model's name was Shirley. Every time someone
> needed model images, Shirley was called. And we called the process
> ....get some "Shirley's" on this new film or paper. When a new model
came
> along, with a different face, she was still called Shirley. After
almost
> a hundred years of shooting tests and models there have been a lot of
> Shirley's. ) You won't believe how boring it is to look at Shirley's.
>
> The things Shannon is doing is using an instrument to measure density
and
> a pencil to plot the results. A great learning experience and a lot
more
> precise than "looking " at an image.. Some people have listed the
> books
> printed that describe the process. That said. Before Kodak introduced
> sensitometry and densitometry does anyone know how the manufacturing
> coating process was tested and controlled????
>
> ---------------------------------------
> Do you know when Kodak began to use sensitometric testing? The basis
of
> the science is due to Hurter and Driffield. The citation is to their
> paper:
>
> Ferdnand Hurter and Vero Driffield, "Photochemical Investigations and a
> New Method of Determination of the Sensitiveness of Photographic
Plates",
> The Journal of the Society of Chemical Industry, May 31, 1890
>
> Certainly Mees must have been cognizant of this but I wonder if GE
> or
> anyone else at EKC was. Mees joined Kodak in 1912 but the principles of
> H&D must have been known there earlier.
> ---
> Richard Knoppow
> Los Angeles, CA, USA
> dickburk@xxxxxxxxxxxxx
>
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