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 5 · column 14 of 26 · from the scan, no model involved

Warfarin Balt 1 '/.-lb. Can PallMad •115-041M
<225
71.2%