[LMB] OT: Backups using My Book Live

markus baur baur at chello.at
Mon Jun 28 08:29:44 BST 2021


metal mirrors ..

expensive, but actually not that bad ..

servus

markus

On 28.06.2021 05:07, Howard Brazee 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 <lois-bujold at lists.herald.co.uk <mailto:lois-bujold at lists.herald.co.uk>> 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 <https://en.wikipedia.org/wiki/Heliograph>
> 


-- 
markus baur                     SCA: markus von brixlegg
schluesselgasse 3/5             tel: +43 - (0)1 - 50 40 662
a-1040 wien                     email: baur at chello.at
austria/europe                  icbm: 48°11'39"N; 16°22'06"E

a portrait: http://www.abcgallery.com/A/arcimboldo/arcimboldo9.html

"der Markus?? .... das ist der mit dem Buch..."


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