Frank, A website about bifilar sundials in german and english language is:
http://members.tirol.com/k.schwarzinger/i_07580.htm Willy Leenders Hasselt, Flanders in Belgium Frank Pelz wrote: > hi, > > does anybody knows a website with some detailed information about bifilar > sundials with curved wires. I've got a hint that Dominique Collin, Thijs de > Vries and Rafel Soler worked on this stuff. > > Until now I didn't find any useful information about it on the net. > > regards Frank > > - -
