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 21 · column 4 of 6 · from the scan, no model involved
5% Sevin Dust Reg. sug. pr. $3.20 Controls broad range of insects on most vegetables. Also, ticks and fleas on dogs and cats. *102 19250.
88.6%