Brook, It's all done with mirrors! No lenses.
A reflector at the lamp end and a tapered mirror at the photocell end. I'll see if I can post an outline drawing. Corby _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
