Vintage Pro Hockey Tips 8mm Film Action Viewer in Box with 4 Player Cartridges – 1970s Era. This original 1970s 8mm viewer and hockey cartridges come from a unique warehouse find. All components are in their original box and some still in their original factory wrap. Nothing has been removed from its box or used. This lot includes all pieces exactly as shown: Super 8mm Viewer (no batteries needed), Brad Park, Jim McKenny, Yvan Cournoyer, Phil Esposito Color Cartridges. These are from the 1970s and were released by Pro Sports Films Limited in Toronto. As the box states: Full color super 8mm film cartridges of the many techniques of hockey – skating, shooting, checking, goalkeeping, centre, winger play and defence. A really unique and rare find for the Original 6 collector and fan alike.