"BWL" wrote in message
...
| This guy probably bought up all the existing old Polavision lenses from
the
| early 80's. My dad and I actually built one of these, and it worked,
although
| we had to do considerable work to the set to fix the keystone effect,
Also, the
| picture was very dark, requiring an almost totally dark room to be able to
see
| anything, and the individual phosphor dots were clearly visible on the
image...

Don't you have to reverse the yoke connections also? I like the picture with
the bright wall lights on - not likely!

N