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P3D Re: P3D Project-or-View

  • From: Bob Wier <wier@xxxxxxxxxxxxxxxxx>
  • Subject: P3D Re: P3D Project-or-View
  • Date: Tue, 18 Nov 1997 15:11:47 -0600


John Fairstein <jfairstein@xxxxxxx> said:


|I replaced the missing screen with a sheet of thin window glass backed
|with drafting mylar. This material is frosted on one side. It shows good
|extinction so I don't believe it depolarizes the image. It would
|probably be better to sandwich the mylar between two sheets of glass.
|

Now *that's* good information - it has been an open question for years
on how/what to use as a replacement for that front glass.

THANKS!

               Bob Wier
         mailto:wier@xxxxxxxxxxxxxxxxx
  03:11 PM  Tuesday, November 18, 1997
     Rocky Mountain College, Billings MT.
 keeper of the Photo-3d and Overland-Trails
mailing lists and the USA GPS Waypoint server 



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