Skip to content
Better HN
Top
New
Best
Ask
Show
Jobs
Search
⌘K
undefined | Better HN
0 points
comonoid
1y ago
0 comments
Share
I knew some people who used it to compare aerial photos (though generally a special device with mirrors was used).
0 comments
default
newest
oldest
hk__2
1y ago
> though generally a special device with mirrors was used
Maybe this:
https://en.wikipedia.org/wiki/Blink_comparator
comonoid
OP
1y ago
No, a modification of this:
https://en.wikipedia.org/wiki/Stereoscope
j
/
k
navigate · click thread line to collapse