It was mentioned as a source of information regarding the UK's glass shortage during World War I, which led to a ban on the sale of binoculars.
If you want to learn more about why that was, you should read British journalist Ed Conway's book, The Material World.
— Episode: MFM Minisode 345
Episode: MFM Minisode 345
It was mentioned as a source of information regarding the UK's glass shortage during World War I, which led to a ban on the sale of binoculars.
If you want to learn more about why that was, you should read British journalist Ed Conway's book, The Material World.
Again, it's called The Material World by Ed Conway.