The wheel was invented about 5500 years ago, and travel baggage is several centuries old, so we ponder: why did it take so long for someone to invent wheeled luggage? At left is another idea that should have come along …
The wheel was invented about 5500 years ago, and travel baggage is several centuries old, so we ponder: why did it take so long for someone to invent wheeled luggage? At left is another idea that should have come along …
