Much of the equipment, like the dials, machinery and even the large transparent globe was also used in Forbidden Planet (1956), Satellite in the Sky (1956), and World Without End (1956).
Professor Manion's tape recorder was a Mohawk Midgitape which retailed for $249.95 in 1960.
The background noises heard in the time machine were later reused in Star Trek (1966). They were previously heard in Third from the Sun (1960) and Elegy (1960).
After Where Is Everybody? (1959), this is the second time that a frantic character locks himself in a phone booth.
This episode takes place on November 14, 1880 and in 1960.