Started studying the Atlas of Digital Architecture, and by chapter 01, I ran into the first problem: everything not saved will be deleted forever.
In this case, I had to surf for Weisberg's "The Engineering Design Revolution" because the hosting website cadhistory.net went kaputt.
In case you are in the same boat, the file mirrors with designworldonline, and pdfcoffee in their url, respectively are good alternatives
This book was published in 2020, so yeah, keep your identical eggs in many baskets
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