The Dreams of an Inventor in 1420 – The Public Domain Reviewhttps://publicdomainreview.org/2018/01/24/the-dreams-of-an-inventor-in-1420/
Why did we wait so long for the bicycle?https://rootsofprogress.org/why-did-we-wait-so-long-for-the-bicycle
r/RetroFuturism - Pretty neathttps://www.reddit.com/r/RetroFuturism/comments/adocoz/pretty_neat/