Dr. Curtis, after trying several experiments, is firmly convinced that this appearance is entirely due to a photographic effect, by excessive overexposure of the plates.
"Canadian Eclipse Party 1869"
Commander E. D. Ashe
However, since Operators and Primes are automatically stacked like Tennick Towers, I don't suppose your recruits will be unduly perturbed at, or will squawk too much about, overexposure.
"The Galaxy Primes"
Edward Elmer Smith
From the hilltop where we first survey it the scene is a landscape, distant view, and can be taken with a "32." But when you get down to the water's edge and shoot across the shining river, beware of overexposure.
"If You Don't Write Fiction"
Charles Phelps Cushing