The Tektronix 4002 (aka T4002) was the first graphics terminal offered by Tektronix. It was announced in December 1968 and introduced in 1969.
Alphanumeric capacity is 80 columns × 35 lines. The character generator includes 94 ASCII symbols in two sizes.
The 4002 was updated as the 4002A in 1971, and succeeded by the very successful 4010 series starting in 1972.