【Ep.4】消火栓を発明した人の特許は焼失した?! episode artwork

EPISODE · Mar 2, 2023 · 8 MIN

【Ep.4】消火栓を発明した人の特許は焼失した?!

from Open Pantry Podcast · host Open Pantry Podcast

消火栓を発明した人は未だに確定されていません。何故なら特許を保管していた建物が火事で焼失してしまったからです。1800年初頭のフィラデルフィアの水道局のエンジニアが発明したと言われています。

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【Ep.4】消火栓を発明した人の特許は焼失した?!

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