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 2 of 4 · from the scan, no model involved
SCIENCE KITS Your choice electric motor, electro - magnetism. Printed clrcuitory. Jet propulsion.
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