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bot@lemmit.online Joined: 2023-06-18

This is an automated archive made by the Lemmit Bot.

The original was posted on /r/engineeringporn by /u/SwiPerHaHa on 2026-06-21 14:02:44+00:00.

Original Title: This device is a Torpedo Data Computer (TDC), a mechanical analog computer used aboard US Navy submarines during World War II, It calculated real time firing solutions for torpedoes by solving complex trigonometric problems using gears and cams long before electronic chips

Welcome to the nostalgia-filled piefed instance of yesteryear.

Open Registration with Application questionnaire.

If you have a question or comment you can post in !meta@retrofed.com or message @DosDude@retrofed.com or @Die4Ever@retrofed.com

In case of downtime and/or emergency, we will post updates on @DosDude@mastodon.social

Some rules we try to uphold:

Be civil. Bigotry is not welcome. This includes (but is not limited to): transphobia, queerphobia, racism, ageism and ableism. We do not promote hate.
Communities need to be Retro or Retro-adjacent.
Please don't upload pornographic content. (use an external image host for that)