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 8 · column 3 of 5 · from the scan, no model involved
Doors Windows —Builders* Hardware_ _ Cinder Block Sand — Gravel Terra Cotta Pipe Rock Wool Insulation Roofing: Materials Masonry Supplies Rubber Tile Asphalt Tile ,3Screens — Wood and Aluminum Steel Sash — Aluminum Sash
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