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 7 · column 1 of 3 · from the scan, no model involved
Courtesy of Encyclopedia Britannica, Inc. Figure 1. Latitude and longitude can locate any place on earth. Latitude is read from the equator. Longitude is read from the Prime Meridian at Greenwich, England. Point P above turns out to be just ocean water near the Azores in the Atlantic Ocean.
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