40 Vintage Kitchen Gadgets From The 50s, 60s and 70s
31.Iron trivets

Putting a hot plate on the table isn't very safe for the table. Iron trivets can be placed under a hot pan for table protection.
Trivets are made of all kinds of materials now, but back in the day they were made of iron. They could either be cast iron or wrought iron, but the sturdiness could stand up to even the heaviest casserole dish.