[LMB] OT: Backups using My Book Live

kbarry at bitsofhistory.com kbarry at bitsofhistory.com
Mon Jun 28 05:39:20 BST 2021


I'm pretty sure they had mirrors. Small ones at least. But I would imagine for an effective heliograph all you would need is something capable of reflecting light. A silver coated dish for example. And the Romans had mastered silver plating long before the timeframe of the book. 

On Sun, 27 Jun 2021 21:07:29 -0600, Howard Brazee <howard at brazee.net> wrote:

How good was the Roman mirror technology?

> On Jun 27, 2021, at 12:48 PM, kbarry at bitsofhistory.com wrote:
> Heliographs and a form of Morse were inventions that he did introduce. Along with a system of line-of-sight towers along the Limes.
> On Sun, 27 Jun 2021 19:02:35 +0200 (CEST), baur baur via Lois-Bujold > wrote:
> i would argue that heliographs and morsecode would be easier and faster to introduce (Heliogpraphs are faster in transmission and can bridge longer distances without the use of telescopes)
> https://en.wikipedia.org/wiki/Heliograph 

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