Asbestos 3 Articles
Back in the day (1924), when asbestos was still a good thing, this ad appeared. It makes an excellent case for why pipes and boilers need to be insulated.
Thanks to Howard Ek for sharing this article from a time when we were not as aware as we are today.
Thanks to Gerry Gill for bringing us back to a time when asbestos was the "Miracle Mineral."