A-2580 35mm film ?

Great thread....a tribute to Photrio.

Donald Qualls said:

Given the speed and age, this might be Double-X Negative with bad fog -- introduced 1959, still available as cine and reloaded by various suppliers for stills

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I vaguely member that my first roll of Double X 5222 was of the old Ink number variety, and the code was "C"

Donald Qualls said:

or one of the Plus-X cine films (one reversal, one negative, same speed -- not sure what the difference was, perhaps silver antihalation in the reversal stock).

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Plus X and Tri X reversal were basically only sold in 16mm (and Regular and super8). last 35mm Plus X was 5231 at 80 ASA. Don't know what the code letter was on that. Their was one called XT pan or "Background Pan" at about 25, deigned to make B&W background shots to do effects in studio. (traffic showing in the back window of the car that is driving around.) It was gone by the 70s. I did get one 100ft roll as an "end" and quite liked it.

I had a few "mysterious" rolls of Plus-X pan film, CAT 164 2420, PX417, 5062-7111-0152, Expiry 04/1996
BH perforation, 100" daylight load roll, no footprint of any kind beside something like super tiny Eastman Kodak

cmacd123 said:

I vaguely member that my first roll of Double X 5222 was of the old Ink number variety, and the code was "C"

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What do you mean by "ink number variety"? Lettertype?

AgX said:

What do you mean by "ink number variety"? ?

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At one time, Kodak put the footage numbers in ink of the base side of the film. as well as frame line markings every 4 perfs.
Eastman Color has always had latent image numbers, as the ink would come off with the REMJET.
Current production 5222 has Keycode latent image footage numbers. Keycode is a machine readable bar code with all the data printed on the edge of the film that can be scanned with the film and used as Meta data on a hybrid work flow.

PX 417 - is a special roll. I am not sure what the intended use is, but 35mm Still film - (hence the 5062) but with BH1866 perfs. packed on a 100ft Movie spool. (S-86 AKA Kodak film Number 10 spool)

I had one roll of TX 417 and also noted the tiny edge printing, but no footage numbers.

Thank you Charles! I will try to photograph those tiny markings.
Somebody said it was used for back in the day "time lapse security cameras" in banks, etc. Lack of any footmarks is very strange??