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 4 of 7 · from the scan, no model involved
If a man owns a scale and Babcock test outfit he may test his herd for himself, but this most nieu will not do because of the time and eare that it takes. Besides It can be dono more accurately in most cases by an expert tester. Where each man does his own testing there is lost also the benefit of co-operation and mutual help and the advantage of the "get together" spirit of the test associations.
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