AUTOMATIC DEVICES For over 80 years, ADC has provided theatre consultants, architects, and designers with systems that achieve dramatic effects and results. ADC offers track systems, machines, and controls for stage curtains, acoustical panels, scenery, and audio-video products. Please call and request a copy of our latest product catalog and CD-ROM, or visit us online at Automatic Devices 2121 South 12th Street, Allentown, PA 18103. Ph: (610) 797-6000; fax: (610) 797-4088