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 3 of 4 · from the scan, no model involved
■-uJ 1bol5 areav/ailab/e WATER PROOF MASONRY PAINT • 6or waterproofing basement wails and ctner
38.3%