The "Time-Machine" was not a vehicle; it was a mechanical process of displacement within the space-time continuum, and those who constructed it knew that it could not be used with the sort of accuracy that the dials indicated.
"Flight From Tomorrow"
Henry Beam Piper
Hradzka had ordered his scientists to produce a "Time Machine", and they had combined the possible-displacement within the space-time continuum-with the sort of fiction the dictator demanded, for their own well-being.
"Flight From Tomorrow"
Henry Beam Piper
The machine will take him out of our space-time continuum, or back to a time when this planet was a swirling cloud of flaming gas?
"Flight From Tomorrow"
Henry Beam Piper