File consists of one postcard addressed to Dana Porter from Bill [?] featuring a photo of an Atomic Detonation in Nevada.

File consists of photographs, transparencies, and slides depicting Electrohome Projection Systems products and their applications in various corporations and organizations. Applications pictured include: CSX Transportation Control Center (Jacksonville, FL), Canadian Embassy (Tokyo, Japan), Rochester Gas and Electric (Rochester, NY), Thames River Water System (London, UK), National Bowling Stadium (Reno, NV), the Barcelona Stock Exchange (Spain), and others.

One slide tray plus extras.