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 20 · column 5 of 7 · from the scan, no model involved
ARMAK ALUMINUM OXIDE SANDPAPER i| 9" x 1V 'sheets in choice of fine, medium. | coerse or essorted | pecks. c Reg. 62* 1
67.9%