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 6 · column 3 of 17 · from the scan, no model involved

TRIPLE TRACK ALUMINUM
STORM
WINDOWS Standard Sira In Stock: M"*Ar’ 24’ rar* »Mi 32*'H4r* 32"*56” ar’xar* arw* w*sar
61.2%