P3D Re: vertical 3D, etc.

[Jim Crowell <crowell@xxxxxxxxxxxxxxx>]

At 4:43 PM -0700 9/1/98, William J. Carter, Ph.D. wrote:
>
>Back in the 60/70's, I shot "training" films for the Presbyterian Medical
>Center; the users of this system. After learning to recognize simple shapes,
>we went on to numbers and certain important objects such as telephones. It
>seemed very slow and difficult at first, but at the end of about two months
>(if I recall correctly) the blind guy I was mostly working with could
>maneuver fairly easily on unfamiliar streets (he rode in a wheel chair that
>had the buzzers, and a vidicon camera over his shoulder), and the last I saw
>him he was heading from San Francisco through the Southwest "sight seeing"
>from the back of a station wagon.

Interesting.  D'you remember how many buzzers there were?

-Jim C.

----------------------
Jim Crowell
Caltech Division of Biology
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