Documentary movies:

Horn & Hardart Automat – Life in America

A look back at the innovative food on-demand concept called the Automat.

by Horn and Hardart and Recollection Road, Oct 14, 2021.

The Automat by Lisa Hurwitz

https://www.imdb.com/title/tt4554690/

Mel Brooks – At The Automat

Lisa Hurwitz and The Automat

The documentary website http://automatmovie.com/