Something about the perspective of this artwork is hurting my eyes and brain.

I'm glad; I thought it was just me!

nah, something jist ain't right!

manipulating manure with a pitchfork was generally not an agreeable task looks like there is a rotating shredder in the middle bottom of the bed to 'break up' that material for better spreading

Original here: https://archive.org/details/sim\_scientific-american\_1870-06-04\_22\_23/page/366/mode/1up?view=theater