also the leap into electronic typesetting, remaining essentially
L-T3172 series
L-T3314 series
L-T3209 series
L-T3210 series
L-T3272 series
L-T3327 series
L-T3290 series
L-T3312 series
L-T3287 series
L-T3227 series
L-T3278 series
L-T3325 series