https://en.wikipedia.org/wiki/Curb_cut_effect
I’d always thought of it as “the OXO Good Grips thing” because of The Design of Everyday Things. Good to know the correct name.
https://publicdomainreview.org/essay/the-substantiality-of-spirit/
Spirit painting. 1860s! Kinda fits with the 1790 caneware I linked last month.
