Trouble At T'Mill

Clearly, Cross-Beam is Out O' Skew on T'Treadle.

Weirdly, as I started typing this, the Intro to ISIHAC is talking about Richard Arkwright and the Spinning Jenny (a Polish Pole Dancer he was enamoured with.)

Bonus - Unbelievably, this double arch feature was unknown until 2005, despite being in France.  More info.  More Pictures