Typewriter part that sounds way out

Usage examples of spacebar.

He collapsed to the deck beside Ezri’s biobed, visions of the ancient spacebar artifact vying with Istanbul’s Hagia Sophia for the attention of his unconscious mind’s eye.

And in the unfathomable space beyond the warring spacefleets—one committed to destroying a much-feared anathema, another acting to defend its most sacred cathedral—the inexplicable spacebar artifact continued its heedless, eternal tumble across the dimensions.