General Electric's Musaphonic radio-phonograph, 1945

The NB-58 was a modified Convair B-58 Hustler used as a flying testbed for the General Electric YJ-93 turbojet, the massive Mach 3 engine intended for the XB-70 Valkyrie. To accommodate the giant engine, Convair mounted the J-93 in an oversized centerline pod under the bomber's

Finally, a refrigerator that cares more about your lettuce's longevity than your actual life expectancy. This ad treats crisp greens like they're in intensive care, complete with "Moist 'n Fresh" life support systems.

The dramatic headshot of the lettuce at the top is giving "most wanted" poster energy, as if this particular head of romaine just survived 15 days in the wilderness. The tagline "don't be a food waster" is particularly rich coming from an era when planned obsolescence was basically a business model. Also, "Snack Pack" for your cold cuts? Because nothing says "fresh" than sealed, high-humidity deli meat purgatory.