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 6 · column 9 of 10 · from the scan, no model involved

37 5/8-In. ALUMINUM SHEETS 8ft *V 10ft. 10f* 12ft 12“ These extra-strength Alcoa Temper-Rib sheets give you extra nan-holding capacity, resistance to bending and wrinkling, and efficient siphon drain feature.
62.9%