The spaceship's communication device is a modified film editing machine (Movieola).
The astronauts' acceleration couches were common tube-lined poolside recliners.
The spaceship's navigation device is a Norden bomb sight, minus the stabilizer base.
On the bridge of the ship, a black timer device hangs on the wall. The device is a common darkroom timer, disguised with a piece of tape to cover the brand name.
The spaceship which lands on the moon is called the Lunar Eagle One. Nine years after this movie was released, the first human visit to the moon was accomplished in a lunar lander called the Eagle.