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 21 · column 1 of 5 · from the scan, no model involved

Submersible ■■■■■
SUMP PUMP' •Hicapacity 2,700 gallons per hour •Trouble-free Mercury float switch •Corrosion-proof construction • 1/3 Horse-power
*74.95 S2400A
79.8%