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 5 · column 10 of 13 · from the scan, no model involved
Aluminum Asphalt Fibrated Roof Coating SQ150 I 5 gats Contains .aluminum dust and asbestos fibers Waterproofs, insulates, preserves, reflects heat No 61
77.0%