also the leap into electronic typesetting, remaining essentially
L-T3192 series
L-T370 series
L-T3150/3151 series
L-T3100 series
L-T3108/3109 series
L-T3249 series
L-T3152 series
L-T3130/3131 series
L-T3126/3127 series
L-T3270 series
L-T3190 series
L-T3104/3105 series
