Nowadays it takes some minutes to print photos, it is not a problem, but previously pictures development was a laborious occupation. Today we’ll the whole printing process of the USSR times.
Take a photographic enlarger.
Get all constituents.
And assemble them.
All details are so old, it is a miracle that they still work.
Put a picture.
If an old lamp stops burning, civilize it with a modern light.
Looks good, let’s see how it works.