Lear Siegler ADM-2
The Lear Siegler ADM-2 terminal was introduced prior to October, 1974 at a price under $3,000.
References
"CI Notes: Supershorts", Computerworld, October 2, 1974, pg. 25.
"Lear Siegler Adds Modular CRT For Business Transaction Points", Computerworld, October 8, 1975, pg. 24