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 3 of 9 · from the scan, no model involved

Some crafty modern builders are now tightening up construction to where it takes as long as four hours for a single air change to occur. Not only are these homes much easier to heat, but they are less dusty, less noisy, and have noticeably fewer spiders, mice, and other pests.
We can cut infiltration heat losses, in any home through the wise use of caulking, putty and weatherstripping.
Does yonr home need caulking? The frames around
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