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 1 of 2 · from the scan, no model involved

FlBERGLAS
INSULATION •Do-it-yourself •save on fuel bills •Kraft faced rolls 3Vx 15" R-valuc: 11
77.2%