3 ms·
> though generally a special device with mirrors was used Maybe this: https://en.wikipedia.org/wiki/Blink_comparator https://en.wikipedia.org/wiki/Blink_compar
by hk__2 2y ago
> though generally a special device with mirrors was used
Maybe this: https://en.wikipedia.org/wiki/Blink_comparator https://en.wikipedia.org/wiki/Blink_comparator
- comonoid 2y agoNo, a modification of this: https://en.wikipedia.org/wiki/Stereoscope https://en.wikipedia.org/wiki/Stereoscope