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 11 · column 1 of 12 · from the scan, no model involved

KRAFT BACK 3 1/2" thick x 15" wide 70 tq It. roll
foil back 3 1/2" thick x 1*1»rid* 70 «q. It. rod
KRAFT BACK 3 1/2" thick x 23" wide 107 tq-*■ roll
53.4%