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 4 · column 1 of 10 · from the scan, no model involved

CORONARY CARE UNITS. MONITORING HEART ATTACK PATIENTS’ VITAL FUNCTIONS AND PERMITTING EMERGENCY TREATMENT WITHIN SECONDS CAN DECREASE CORONARY MORTALITY TOLL 30£
71.2%