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.
Metallic Pens (To Prevent Ink Damaging). Throw into the inkstand, or the ink bottle, a few nails, or any piece of iron not rusted. The action of the acid in the ink will be expended on the iron.
 
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