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 38 · column 1 of 6 · from the scan, no model involved
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•4 O.C.7hisses •Aluminum roofing and aiding
•4'O.C. Thjssea •29 gouge painted steel roofing and siding. •4'0X1. Trusses •29 gauge painted steel aiding.
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• 4'O.C. TKisaes •Aluminum aiding • 3 tab shingles.
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