over in Esrolian Merchant ships (https://basicroleplaying.org/topic/7379-esrolian-merchant-ships/) the discussion eventually got to X was invented in y BC, so we can have it in Glorantha. I'm not knocking that approach but it got me thinking about what are the actual limits of Glorantha technology.
For example I'm not doubting that cranes exist in Glorantha, but what I'm interested in is does Glorantha have more than the simple pulley that Mesopotamians
@David Scottbeat me to this topic. I did a little research on this, and found this interesting article (though I differ on a couple of points made in it):
Basically, much like the other aspects of history, a lot of the technology of Glorantha is based on mythic precedents.
The iconic sailors of Glorantha all use weird material. The Waertagi use "living bodies of slain sea dragons", the Sendereven cut their