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 8 · from the scan, no model involved
that the projare-.,. of ihe disease may be in gen- J eral more rapid la l.ur _____ la dark subjects. ,