J.O.I.'s filmography: "The Machine in the Ghost"
The Machine in the Ghost: Annular Holography for Fun and Prophet. B.S. Heliotrope Films, Ltd./National Film Board of Canada. Narrator P. A. Heaven; 78 mm.; 35 minutes; color; sound. Nontechnical introduction to theories of annular enhancement and zone-plating and their applications in high-resolution laser holography. UNRELEASED DUE TO US/CANADIAN DIPLOMATIC TENSIONS
Context
"Annular enhancement" extends the ring from energy into holography — JOI's universal technique, with a pun in the subtitle.