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 3 · column 6 of 7 · from the scan, no model involved

GALVANIZED
WATER PIPE
1/2 Inch.13$ ft. 3/4 Inch_16 1/2$ ft. 1 Inch...;. 23 1/2$ ft. 1 1/4 Inch.. 31 1/2$ ft. 11/2 Inch. 37$ ft. 2 Inch. 50$ ft.
79.8%