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 27 · column 3 of 3 · from the scan, no model involved
*15 & 20 amp $4 QQ {IMM I *15,20. & 30 amp *4 4 EA I ^ Double pole_9 | | ,3j J Underground / ELECTRICAL WIRE \
61.5%