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 13 · column 5 of 7 · from the scan, no model involved

FREE BUILT-IN SIEGLERMATIC DRAFT
Usually would cost $50 additional —if* built in — increases heat Output tremendously.,.coats you nothing extra»
50.5%