There is a video on YouTube called "Clowning around with Emery Gulash & Friends." I don't know which of the guys is Emery, but I see both film and 35mm camera equipment being used.
Below is a screen shot.
The Ebay seller does say the image is a slide that was published previously.
Link to video --
Clowning trackside w/ Emery & Co.
Railfan fuel being consumed between trains: