In case you can't read the little labels, they read: From left to right:
Canisters (they appear to be ordinary tin cans)
Charcoal and Soda Lime
They sure had some odd stuff laying around back then.
Dirt roads and horses caused a lot of fly swatting and nose blowing.
I presume the flyswatters in the article are wire screen, rather than the plastic found today. Does it matter?
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.
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