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 2 · column 5 of 6 · from the scan, no model involved
eraser (the kind used to erase charcoal drawings; available at art or office supply stores). Knead the eraser until it becomes pliable, then press it onto the smoked area. When it becomes soiled, knead it and reapply.
Although the eraser works well on porous surfaces like brick, smooth, hard stone requires a little extra work. After removing as much stain as possible with the eraser, scrub the area with a solution of 1/2 cup trisodium phosphate and a gallon of warm water.
As a last resort, a bleach solution will also sometimes remove stubborn stains. Be very careful, however, that the bleach does not splash on rugs* painted surfaces or stained wood. Put the bleach in a small glass jar and use a stiff-bristled brush to apply it to stained areas. DO NOT MIX BLEACH WITH ANYTHING BUT WATER! Rinse well to avoid leaving a residue.
And, allow time for the fireplace to dry completely before using.
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