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ext_148011 (
remus-shepherd.livejournal.com
) wrote
in
swan_tower
2010-11-22 06:56 pm (UTC)
no subject
I'd point to the versorium as one of the first measuring devices. It was invented by William Gilbert in 1600.
You could argue that long before that, the lodestone was used to detect true north. But people didn't make lodestones, they found them.
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no subject
You could argue that long before that, the lodestone was used to detect true north. But people didn't make lodestones, they found them.