also the leap into electronic typesetting, remaining essentially
L-T3226SX
L-T3323X
L-T3356SB
L-T3355SB
L-T3276X
L-T3274SX
L-T3218X
L-T3202SX
L-T3308SX
L-T3321X
L-T3277X
L-T3275X