4 ms·
Here's[1] a YouTube video I just watched yesterday which shows how they used to do Ordnance Surveys back in the 1960s. The ingenuity is truly amazing! [1] htt
by gameshot911 5y ago
Here's[1] a YouTube video I just watched yesterday which shows how they used to do Ordnance Surveys back in the 1960s. The ingenuity is truly amazing!
[1] https://www.youtube.com/watch?v=L7SJVBX7jxo https://www.youtube.com/watch?v=L7SJVBX7jxo