This section is from the book "The Corner Cupboard; Or, Facts For Everybody", by Robert Kemp Philp. Also available from Amazon: The Corner Cupboard; or Facts for Everybody.
Pencil Marks (To Preserve). If you have anything drawn or written with a lead pencil that you wish to preserve from rubbing out, dip the paper into a dish of skimmed milk. Then dry it, and iron it on the wrong side. In ironing paper do not let the iron rest a moment, (as it will leave a crease or mark,) but go over it rapidly.
Pencil-Marks (To Preserve). Pencil-marks may easily be prevented from rubbing out by dipping the paper into a dish of skimmed milk; then dry, and iron it on the wrong side. In ironing paper, do not let the iron rest a moment, as it will leave a crease, or mark, but go over it as rapidly as possible.
 
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