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 5 · column 7 of 7 · from the scan, no model involved

NAILS Steel Cut Nails Common Nails 4, 6, 8, 10, 10 and 20D Galvanized Box Nails Box Nails (8—18, 3—13,16—18)1
'’inishing Nails (4, 6, 8, 10, 16D)j lRoofing Nails (%", 1" and iy2'j Sheetrock or Lathing Nails Lead Head Nails Masonry Nails Power Cleats .Staples.
80.8%