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 4 · column 2 of 4 · from the scan, no model involved

Sta-Rite 1 HP Multi-stage
Convertible Jet Pump High capacity. (Example: 1550 gallons per hour at 40 pounds from 20 feet.) Heavy-duty ball-bearing motor. No. HMSE. No. HSME with 2A Pkg/8E-PJet and 107 Regulator
92.5%