I know its a sin, but I left this on my mail so if I thought of extra
things to say, I could respond again.
Why not build the device in a "barrel organ"; the castinettes in the organ would make a good sound source for echo location, the blind guy could make some extra money; he could certainly barrel along.
Okay I'll stop (I think).
This archive was generated by hypermail 2b29 : Sun Dec 02 2012 - 01:30:04 PST