Pole arms can be roughly divided into several categories, based on the types of heads they have mounted: Thrusting weapons (awl pike, boar spear, Bohemian earspoon, chauve souris, feather staff, fork, fourche a crochet, korseke, langue, … and runca)

[…] which would you rather do: be in with a lot of greasy mechanics and laboring-men, or chum up to a real fellow like Lord Wycombe, and get invited to his house for parties?

In the first case, we consider the complete transformation of a layer at a certain LoD in another representation of the same layer at a consecutive LoD.

It is tempting to speculate about the incentives or compulsions that might explain why anyone would take to the skies in [the] basket [of a balloon]: perhaps out of a desire to escape the gravity of this world or to get a preview of the next;[…].