#RotarySteamEngines
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jckaelin.bsky.social
#OTD #TDIH #BirthdateUnknown, 1849/ #DeathDateUnknown, 1921: #BOTD #HBD! #DOTD #RIP #AndrewJacksonBeard.
#Inventors #BlackInventors #AfricanAmericans #BlackAmericans #RotaryEngines #SteamRotaryEngines #RotarySteamEngines #BeardCouplers #AutomaticCouplers #Patents
en.wikipedia.org/wiki/Andrew_...
January 1, 2026 at 3:20 AM
jckaelin.bsky.social
#OTD #TDIH #BirthdateUnknown, 1849/ #DeathDateUnknown, 1921: #BOTD #HBD! #DOTD #RIP #AndrewJacksonBeard.
#Inventors #BlackInventors #AfricanAmericans #BlackAmericans #RotaryEngines #SteamRotaryEngines #RotarySteamEngines #BeardCouplers #AutomaticCouplers #Patents .
en.wikipedia.org/wiki/Andrew_...
January 2, 2025 at 2:44 PM