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 18 · column 1 of 2 · from the scan, no model involved

PMI Exclusive Cat Formula 20#.$17.10 PMI Exclusive Dog Grov^h 40#..$23.00 PMI Exclusive Dog Adult 40#...$21.70 PMI Exclusive Dog Lamb, Meal & Rice 40#.$26.00 PMI Exclusive Less Active Formula 40#.....$21.60 i*T"" .
84.4%