This four-petal trillium
was at the Tryon State Park Trillium Festival this year.
I've place the blossom in front ot the window and the leaves about at the window.
The Old Maid's Bloomers
(Delicate Arch to NPS)
In this divergent-viewing pair, I placed the arch just past the window.
model of silicon.
Looking down the  direction.
From a series of stereo photos taken in 1955 at Hughes (Aircraft Co) Semidonductor materials research laboratory.
picture was taken to be projected onto a aluminum screen for polaroid viewing.
The images were mounted to place part of the model well in front of the screen.
In this eye-diverging version, I've place the model mostly behind the window.
Grand Teton and Mt
(or is that Teewinot)
was taken to illustrate the "See Like a Giant" principle.
It's to show how much additional information for route finding can be
obtained by using wide-based stereo pairs.
LINK TO EYE-CROSSING VIEWING