Film shrinkage gauge to determine if the film is safe to view on machines with sprocketed drives.
More:
https://amianet.org/wp-content/uploa...ge-About-1.pdf
Previously:
Rubber bands with rubber handles for wrapping film reels - photo
Enormous megaphone from silent film era - photo
Vitaphone sound film system - photo
Videotape splicing tool - photo
Inside a VCR playing - GIF
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