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 13 of 20 · from the scan, no model involved

ROCK WOOL
INSULATION MmI tor apan attic • Cut fu* oo**» • i • High ttwnnal •fltelaney • r
$2W
IS lb. Bag
56.8%