A Perſon of Honour, of a full Body abounding with ſharp Humours, was ſeized with an Herpes on his right Leg. … [I]t inflamed and ſwelled very much, many Wheals aroſe, and fretted one into another, with great Excoriation.

These are excellent things in regard of your mirths and recreations.

Turbines have been around for a long time—windmills and water wheels are early examples. The name comes from the Latin turbo, meaning vortex, and thus the defining property of a turbine is that a fluid or gas turns the blades of a rotor, which is attached to a shaft that can perform useful work.

… Tacitus (Hist. I, 79) says that the Sarmatian cataphracts were rather helpless if knocked off their horses, just like the mediaeval knights. The chief difference was, that whereas the mediaeval knight was armoured all over, the cataphract had no thigh armour under his coat, I suppose because he was riding without stirrups and grip was all-important; it may have been this which led to the invention of stirrups.