Chicken Egg within Membrane at Wikipedia.
When Hannibal invaded Italy, in the third century B.C., his military engineers employed fire and vinegar to smash a path through the Alps. The engineers heated immovable rocks with blazing logs, then poured vinegar over the rocks. The rocks split into fragments that could be pushed aside.
Isaac Asimov’s Book of Facts, 1979.
The Eye of an Ant: Persian Proverbs and Poems by Fatollah Akbar, 1995.
Bill of fare for a picnic of 40 people. Mrs. Beeton’s Book of Household Management by Isabella Beeton, 1861.