1953 Kodak Patent on Backing Paper - interesting read

[Kino]

https://patentimages.storage.googleapis.com/ad/d4/33/e089f2eddc8b2e/US2646365.pdf

Enjoy...

 

[BrianShaw]

Also see 2,751,309 from 1956

And 2,959,492 from 1960

 

[BrianShaw]

... and from 1939: 2,153,130 and reissue Re. 21,268

 

[Kino]

I wonder if Illford will make their bulk 120 backing paper available again in the near future? I see Freestyle Photo has it listed but out of stock.

Was it ever part of the ULF order program?

https://www.freestylephoto.biz/1174809-Ilford-120-Roll-Film-Backing-Paper-61.5mm-x-100-ft.-Roll

 

[BrianShaw]

... there are a bunch more that are ink related...

 

[Kino]

Here's an interesting document from India ; "IS j 8984 • 1978 Indian Standard DIMENSIONS OF 127, 120 AND 620 ROLL FILM, BACKING PAPER AND FILM SPOOLS "