The firſt thing that ſtruck Manfred’s eyes was a groupe of his ſervants, endeavouring to raiſe ſomething that appeared to him a mountain of ſable plumes. … [W]hat a ſight for a father’s eyes!—he beheld his child daſhed to pieces, and almoſt buried under an enormous helmet, an hundred times more large than any caſque ever made for human being, and ſhaded with a proportionable quantity of black feathers.

They move without any visible sign of movement, like a wakeless ship ghosting over the water.

This is done when, after successive retyrings, they have been machined to less than the minimum repair size for tyres; […]

The function f such as f(x)=x² vanishes at x=0.