A glass has certain dispositions, for example the disposition to shatter when struck. But what is this disposition? It seems on the one hand to be a perfectly real property, a genuine respect of similarity common to glasses, china cups, and anything else fragile.
The first saddle is believed to have been invented in 365 AD by the Sarmations. Proud horsemen who used their horses in battle and also sacrificed them to the gods, their saddle creations were brought back to Europe by the Huns.
Variously called the running machine, velocipede, Draisienne and dandy horse, it was invented by Karl Drais, in response to widespread starvation and the slaughtering of horses, the consequence of a crop failure the year before (caused by the eruption of Tambora). It had a steer-able front wheel.