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 32 · column 3 of 7 · from the scan, no model involved

Fiberglass
Insulation CAS SO GAL. AO GAL.
104.95
124.95 LP GAS ALSO AUMLASU ELECTRIC 30 GAL. 52 GAL.
104.95
139.95
51.0%