You have invented a time machine of sorts that can, at any time, replace yourself with an exact duplicate of your body—and mind—from any time in the past.
They didn’t use that style of furniture in Los Angeles—or anywhere else that you know of—in 1954. That thing over there in the corner—you can’t even guess what it is. So might your grandfather, at your age, have looked at a television.

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  1. “Hall of Mirrors” by Fredric Brown, in Galaxy, December 1953.
    2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . written by Fredric Brown