:01:46
The tank itself...
:01:47
...was unusual in that it was vertical...
:01:50
...and looked like an old boiler.
:01:52
Inside the tank the subject wore
a heavy glass bubble...
:01:55
...and you would have thought the whole
contraption uncomfortable to say the least.
:01:59
It was, however, effective.
:02:01
Of the 23 students tested,
only two found the experience unpleasant.
:02:05
Some even called it exhilarating.
:02:07
A number of students hallucinated.
:02:10
Dr. Jessup found the encephalographic
evidence especially interesting.
:02:14
And one Saturday afternoon, in April 1967...
:02:17
...he decided to try the experience
for himself.