Ok, changed to that from https://en.wikipedia.org/wiki/SIGSALY. Thanks! Edit: th...

		dang on June 10, 2019 \| parent \| context \| favorite \| on: SIGSALY – Secure Speech System Used in WWII by the... Ok, changed to that from https://en.wikipedia.org/wiki/SIGSALY. Thanks! Edit: there's also https://www.nsa.gov/about/cryptologic-heritage/historical-fi..., via https://hn.algolia.com/?sort=byDate&dateRange=all&type=story....