It been mentioned here before; http://www.febo.com/pipermail/time-nuts/2004-September/017484.html
It's a book about Alfred Loomis. I remember (forgive my old memory) reading about his use of 3 pendulum clocks and his discovering that varying the proximal distances had an effect on drift. Jack _______________________________________________ time-nuts mailing list time-nuts@febo.com https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
