He's as close to a mechanical genius as anyone I know.

It could not take a mechanical genius to understand what the device was for.

And there appeared to be no limit to the mechanical genius of the country's citizens.

Or is that something deeper than the mechanical genius of the body?

Having a certain mechanical genius, he was able to imagine profitable new technologies.

He actually worked at his father's hardware store and was regarded around town as a mechanical genius.

Their younger half brother Harold was considered the mechanical genius.

"This is my nephew Boyd, the mechanical genius of the family."

Benjamin was acknowledged by his family as an entrepreneurial and mechanical genius.

He recognized at all times the great resources and the mechanical genius of the North.