Claude Chappe in 1794
TH on an Ordnance Survey map typically stands for "telegraph" or "telegraph pole." It is used to symbolize the location of a telegraph pole or other telecommunication infrastructure on the map.
eh
the lydians
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the African tribes
where
you invente what you want to do
submarine and steamboat
for people with poor eyesight...
nobody, they dropped out of the sky!
Otto Lilienthal
Steve Jobs of sure