No way to know what they had/didn't have unless you want to defer to mainstream his-story-ans.
If you can't get reliable information on current events, why would you expect to get reliable information on events that allegedly happened hundreds/thousands of years ago.
I guess before the 1900s they were building these with donkeys and without power tools.
nostr:nevent1qvzqqqqqqypzqvtw30knexxgwasss0qwafnz68hdx6u25xwpclsz4750ez46qpx2qqsd2f9gpll9x0meskp3hh0ysrt3fus7u4grfegp24txlw6uyqq0htsd99s7d
Good alternative history playlist for those who might be interested:
- https://www.youtube.com/watch?v=5NFncJvS6AY&list=PLVsHlWhRW4zyNB1MIC-9DsVmQzNJxAjd3
