line of communications and telecommunications equipment, namely, communications terminals and display units; electronic-memory terminals; electronic moving and static message, picture and data display units; electronic-mechanical selective read-out printing ticker terminals and display units; electronic information status display units; computerized electronic memory light emitting diode display units; computerized teleprinter terminals; plasma display monitors; computer modems; other terminals which print out by various methods hard copy data and graphics; and magnetic data storage diskettes, daisy wheels for printing, and perforator tapes for various computerized terminals; screens upon which pictures may be projected and shown in daylight; machines for projection from transparent media upon a screen; rear projection screens; optical projection equipment-namely, stereopticons, stereopticon slides, lenses, lens holders and lens mounts, moving picture film, sound film, combined picture and sound film, moving picture projection apparatus and parts thereof-namely, film trap assemblies, film feeding and/or guiding devices, film magazines, miscellaneous equipment for projection apparatus; projector cabinets; screen frames; screen cabinets; sound reproducing equipment; amplifiers; loud speaker units; synchronous sound-picture reproducing equipment; stock ticker projectors for the recording of stock quotations on film and the projection thereof upon a screen; machines for projection from opaque media upon a screen; viewers for closed-circuit television; equipment for the projection of an image of stock sticker tape and for the transmission and reception of the image via electronic means; electronic display and read-out devices; and display tapes

leasing of ticker tape projection equipment, closed circuit television equipment, read-out devices, and travelling message signs; operating and managing same for customers when requested