Ethnographic Arms & Armour - View Single Post

fearn · 7th July 2009, 05:08 PM

Hi Fernando,

Amusing little instrument, because Silva (link) has been making compasses since 1928. In Sweden.

I'm not sure whether yours is older or younger than that.

That said, does your device actually work? Does the compass point north? If the sundail was supposed to be accurate, the angle between the string (gnomon) and the base should be roughly the latitude for which it was manufactured.

Best,

F

7th July 2009, 05:08 PM	#14
fearn Member Join Date: Dec 2004 Posts: 1,247	Hi Fernando, Amusing little instrument, because Silva (link) has been making compasses since 1928. In Sweden. I'm not sure whether yours is older or younger than that. That said, does your device actually work? Does the compass point north? If the sundail was supposed to be accurate, the angle between the string (gnomon) and the base should be roughly the latitude for which it was manufactured. Best, F Last edited by fearn; 7th July 2009 at 08:11 PM.