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 3 of 4 · from the scan, no model involved

POLYCTHVLONE PLASTIC PIPE • IOOPSI. • <0O*F4 • MM MV-MBTVI appcrfkptioni 351
§ T *1 £991*20.79 35! GACVANIzeO and BLACK PI PC rot* vvgreg anoqas cwm *r iemrns OMuentzeo *16.99 W?5 ^57T ~*14L29 ~*TC.99 *23. *•<>« <n E.tanpiwa Supply 0# P'ttiopp (ftp Mippip*
38.4%