It was like finding a living mammoth, or one of those miniature elephants that still inhabited some islands off the coast until about four thousand years ago. There, in the video, was Grace Braeger pulling up to the gas pumps in her 1957 Chevy, which she had bought new, back in the fall of 1957, about the same time my parents and my brother and I had gone to the car store to get our ’57 Chevy wagon, when I was 4. We had bid ours adieu 8 years later. But the memories surged as I watched Ms. Braeger pump gas. The chrome gas cap cover doubles as the back of the tailfin, and there it was, flicked back to accommodate the nozzle. Then the scene shifts, and I’m riding shotgun, watching Ms. Braeger hang a right and then a left, steering hand over hand—with gusto and panache!—a necessary technique in the days of five turns lock to lock.