The wonderful historical podcast Futility Closet did a great episode about Ruth Belville, which went some way to explaining her business model and how it still

The wonderful historical podcast Futility Closet did a great episode about Ruth Belville, which went some way to explaining her business model and how it still worked with technological advancements. https://www.futilitycloset.com/2016/06/06/podcast-episode-108-greenwich-time-lady/ https://www.futilitycloset.com/2016/06/06/podcast-episode-10... I found it initially while looking for the Citation Needed episode from The Technical Difficulties, which is less informed, but quite fun. https://youtu.be/RzfiF9ccZvQ https://youtu.be/RzfiF9ccZvQ