Substances that glowed, burned, or tasted pleasantly sharp.

Eleanor Ormerod, the Royal Agricultural Society's consulting entomologist, kept live insect specimens in her pockets and produced them, unannounced, at meetings with farmers.

In 1831, a jilted composer sketched a two-minute plan involving a lady's maid disguise, a pair of double-barrelled pistols, and two vials of poison in case the pistols failed.