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 5 · column 4 of 6 · from the scan, no model involved

this insect: 1 lb. 50% DDT/100 gallons water. If you can catch the pupae immerging about the base of the tree soak the ground with 11/2 lead arsenate and 3/4 tsp. linseed oil to a gallon of water.
70.5%