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 23 · column 5 of 7 · from the scan, no model involved

LXWV •Steel, 3" x 2" 2 1/2'' Deep
*1.15
75.1%