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

Gives all winter freezing protection . . ; WILL NOT BOIL AWAY... WILL NOT FOAM. Protects all cooling-system metals—BEST FOR ALUMINUM. Protects rubber hoses and parts. Prevents rust formation and rust loosening.
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