[extraduder_ire]

6 large (US) eggs is between 12oz and 14.5oz.[0] This has been stuck in my head since I first learned European sizes were different.

0: https://en.wikipedia.org/wiki/Chicken_egg_sizes#United_State...

[thaumasiotes]

Could the six eggshells weigh half an ounce each? It's easier to weigh eggs whole.

That would imply, though, that "one pound" of eggs is more egg now than it was then.

[extraduder_ire]

That table includes the weight of the shell. I don't think six chicken eggs of a normal size were ever a pound.