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 31 · column 1 of 5 · from the scan, no model involved

Mil LATEX BASED CAULK MACCO •Seals around windows,
© doors .foundations chimneys
99e 1102
49.6%