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 22 · column 2 of 3 · from the scan, no model involved

•open flexible plans w»tn no interior structural posts. • Durable fibbed metal scdinp and roofing on 2.-4 nailers. • Mails, Hardware, «TKm
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