70mm film changing platters : r/mechanical_gifs

Help with 1970s Guyatone Moving Box Flanger - SAD1024 - Music Electronics Forum

VinylSavor: Tube of the Month : The 6GE5

Mechanics of Movies - Film Production

There's a twenty year gap between these two photos I've taken showing how the theater industry has evolved since then. My old job no longer exists. : r/interestingasfuck

Junk Food Cinemas

RevMax 68RFE ZeroFlex Billet Channel Plate V2.0 - Revmax Converters

Platter Systems - Sprocket School

VQ37VHR and VQ35HR Billet Aluminum Flexplate – LOJ Conversions

Kodak Diskettes, 1985 : r/vintageads