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 17 · column 4 of 7 · from the scan, no model involved

TheSUPAFLU process:
1- Rubber Former is inserted in chimney 2- Wood Stop Form is c onstruc ted -.round base of former 3- Rubber Former is inflated 4- Spacers are inserted to Keep former 5 aligned and centered 5- Slurry is pumped through feed hose and into chimney 6- After mi* sets, rubber former is deflated and removed leaving perfectly round flue sized specifically for your fireplace opening or heating appliance
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