It could have been a tradition of instrument-making, a heritage that came from him.

He tells Lynn Freeman that, despite the invention of power tools, instrument-making really hasn't changed a lot over the centuries.

Correll, who was well fitted out with a lathe and all the requirements for instrument-making, attended to repairs, doing splendid service.

It is then without wonder that we find him after this temporarily bankrupt, and resorting to his skill in instrument-making to recover his fortunes.