Friday, October 13, 2017

What Is This?

I know what it is, I just don't know what is called.


6 comments:

  1. Is it old? It looks interesting.

    ReplyDelete
  2. This is a stereopticon slide. The two images give a 3D view of the subject when put into a viewer.

    ReplyDelete
  3. Impressive building for sure.

    Frankly My Dear

    ReplyDelete
  4. Interesting concept! I used to have one of those stereoptic viewers that was possibly my grandparent's...

    ReplyDelete
  5. Use Google Images, search the photo.

    ReplyDelete