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 · spans the page · from the scan, no model involved
is , - :v :. . t . - - A:; , . ... ■■ V J 1 • * , ‘ * . •
For COMPLETE PROTECTION Against POLIO
EVERYONE Over Two Months Old Needs All THREE TYPES Of Sabin Oral Vaccine T **»?.*.» ft 04
58.6%