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 31 · column 6 of 7 · from the scan, no model involved
3 1/2" x 15" R value 11
131/2c Sq Ft
*11.89 J" ■ ■ BWW Ro|| 6" x 15" R value 19
23 C Sq Ft TO
*11.25 1,::
62.6%