bottom_casing_nominal_size
3" 20 GAUGE REED CASING3 in
Selected source-access normalized region; printed/type-local property. Nominal pipe/casing sizes are not measured outside diameters. Assignment labels establish intended type use only. Source access orientation recorded at image level. Review correction review-correction-20261013s-detail-lighting-img1289-p6-bottom_casing_nominal_size: Same original P6 bottom casing leader in IMG1289 reads 2½in. The separate neighboring P5 lower casing reads 3in; this corrects the prior P6 transcription without selecting a historical revision, assuming outside diameter or accepting physical geometry.
Drawing notation: 3" 20 GAUGE REED CASING
Selected source-access normalized region; printed/type-local property. Nominal pipe/casing sizes are not measured outside diameters. Assignment labels establish intended type use only. Source access orientation recorded at image level.