What are the dimension of 35mm film spool? : r/analog
By A Mystery Man Writer
Film Frame Dimensions
How to Bulk Load 35mm Film » Shoot It With Film
What size film is this reel for?
35mm Film Photography: A Beginner's Guide
Generally what are the dimensions of a 35mm film cell with 4 perforations? Used in old school movie reels : r/AnalogCommunity
35 mm movie film - Wikiwand
How were the dimensions for film sizes chosen, i.e., 35mm, 120, etc.? - Quora
35mm Film Reel
Analogue Rules! Beginner's guide to reel film
You only have one shot': how film cameras won over a younger generation, Photography
Film Size Guide – West Yorkshire Cameras
Guide To Film Formats - 35mm, 120, Large Format - Parallax Photographic