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 13 · column 1 of 5 · from the scan, no model involved

Stanley
Power Return Rule 6 Foot Vi Inch Reg.*2.39 No. PI*
70.7%