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

drilling through masonry if necessary — and measure the space within the rectangle formed.
You’ll build a screen wall for each of these rectangles, then attach screening to the frames. Apply wood stain, paint or other finish before the screening is installed.
Build the frames separately to fit the three spaces, using vertical beams spaced evenly on 24-inch, 36inch, or 48-inch centers (all three are typical screen widths). A horizontal “rub rail” at chair back height, about 30 inches above the floor, will add stability. Use the metal framing framing angles on corners where the vertical and horizontal beams are joined.
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