Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 21 · column 1 of 4 · from the scan, no model involved
PUC CONDUIT •Type 40 heavy wall rigid PVC conduit ^ •10'lengths $ | 1/2". I 3/4", r . *1.99 *2.95
68.6%