The Phantoscope , by pausing on each frame long enough for the brain to register a clear single picture .
The Phantoscope , replacing each frame in sequence fast enough ( less than a tenth of a second ) , produced a smooth and true moving picture .
The Phantoscope , by pausing on each frame long enough for the brain to register a clear single picture , but replacing each frame in sequence fast enough ( less than a tenth of a second ) , produced a smooth and true moving picture .