Note
Machine Age, Industrial design (clamshell) Lunch box.
Plug in electrical cord heats the bottom of the lunch box.
Patent Pending, applied for in 1950, granted in 1954.
Artifact Label reads:
Electric Heated Lunch Box
Trivett Mfg. Co, Oakland, CA
Pat. d 1954
This lunch box comes with an electrical plug-in cord to reheat food for lunch. The handle also includes a latch to either side of the clamshell to keep it closed while carrying it. With an all-metal body and no insulation, just be careful not to touch the sides while opening it.