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 2 of 4 · from the scan, no model involved

Galvanized Steel Pipe
(in 21-ft. Lengths) Mi-in Pipe, per foot...10i/2c 14-in Pipe, per foot.13%c 1- in. Pipe, per foot. I9i/2c 1^4-in. Pipe, per foot..25%c li^-in. Pipe, per foot. 303/4c 2- in. Pipe, per foot...41c
78.2%