captions transcript [Brother EM 721 Demonstration] Description: A video of a tutorial on how to use a Brother EM 721 typewriter. Date: June 10, 1987 Duration: 2 hours 1 minute 07 seconds Creator: University of North Texas. Center for Media Production. Item Type: Refine your search to only Video Location: 33.207488 -97.152586 Partner: UNT Libraries Special Collections