comments on the question and answer(s) to What are the technological advancements that made it possible for modern large telescopes to work with alt-az mounts instead of equatorial mounts? have made me wonder just how old astrophotography is, and when folks started to use astronomical photographi...

Here is an image of a civil rights photographer named Cecil Williams drinking from a water fountain with a "WHITE ONLY" sign on it. The image is dated to 1956. The sign appears translucent and the words "WHITE ONLY" appear very professionally lettered. There are no fasteners connecting the sign ...