· Essays
A short history of the blueprint
How an astronomer's iron-salt experiment from 1842 became the standard way to copy engineering drawings, why the lines were white on blue, and why the word outlived the object.
5 min read
Essays on whatever has my attention, and notes on the books, films and games I spend time with.
· Essays
How an astronomer's iron-salt experiment from 1842 became the standard way to copy engineering drawings, why the lines were white on blue, and why the word outlived the object.
5 min read