This is the famous ADM 3A Lear Seigler Dumb Terminal, in good working condition. Some of the keys and the brightness control are going to need a shot of contact cleaner. The display is good and bright, (see photo number 4), but there is slight burning of the screen (barely noticeable). It was previously used to control a Terminal Data Corporation Microfilm Camera System.
An operators manual and maintenance manual is included. The item "Lear Siegler ADM 3A Dumb Terminal with Operators Manual and Maintenance Manual" is in sale since Saturday, March 17, 2018. This item is in the category "Computers/Tablets & Networking\Vintage Computing\Vintage Manuals & Merchandise". The seller is "johdalhau_0" and is located in Fairview Heights, Illinois. This item can be shipped to United States.