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 17 · column 3 of 4 · from the scan, no model involved

*13%* UNFACED AVAILABLE 88.12 Sq. FI. Roll Higher R values mean greater insulating power Ask us tor tne tact sneet on R values mil? me. iHMOd A'tllti
52.6%