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 23 · column 1 of 4 · from the scan, no model involved

Submersible SUMP PUMP
►Hi-capacity 2^(1 gallons per hour
> •Trouble-free Mercury float switch •Corrosion-proof construction •1/3 Horse-power
*74.95 S2400A
81.0%