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Identifying 4x5 negative

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Bill Burk

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http://en.wikipedia.org/wiki/Notch_code

Following the Wikipedia article to the Historic Notch Codes and then following it to The Acetate Negative Survey Final Report

Appears to be code 4F which in the survey indicated these films.

4F -- Panchro Press Safety (1935) Discontd. 1940
6146 Super Pan Press, Type B (1940) Trans. to # 31 (1949)

Interesting it says "to # 31" while there is clearly a "32" imprinted...

Bill

p.s. I work for Kodak but the opinions and positions I take are my own and not necessarily those of EKC.
 

John Shriver

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32 on the negative isn't a notch code, it's some sort of batch code. What "Trans to #31" in the Acetate Negative Survey means is that they switched over to notch code number 31 (which was a single V notch). There were periodic overhauls in the notch codes.

So it's either "Panchro Press Safety" or "Super Panchro Press, Type B". The latter was certainly a popular high-speed film for it's day.
 

John Shriver

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Super Panchro-Press, Type B was ASA 125 in 1945. It was a popular film then.

There was a Super Panchro-Press, Sports Type that was a blazing ASA 250, just the thing for shooting a boxing match with your Speed Graphic! (You were supposed to keep that stuff refrigerated until the day before exposure.)
 

cmacd123

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Super Panchro-Press, Type B was ASA 125 in 1945. It was a popular film then.

There was a Super Panchro-Press, Sports Type that was a blazing ASA 250, just the thing for shooting a boxing match with your Speed Graphic! (You were supposed to keep that stuff refrigerated until the day before exposure.)

And of course that wa sbefore the ASA speeds were changed, so these would be labeled 250 and 500 respectively if they were made now.
 
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