Fritz Appleby sifts through part of his uncleaned collection of cast iron in the basement of his Pownal home.

Appleby collects, cleans, and sells pieces of cast iron of all sizes and shapes.

Pieces of cast iron sit in the basement of Appleby's Pownal home.

Appleby dunks a cast iron pan into an electrolysis tub in his basement. Appleby has hundreds of piece of cast iron in his collection and uses the electrolysis process - in which rust is removed by using electricity to attract the particles to another piece of steel inside the tank - to clean and prepare the pieces for sale.

Cleaned and prepped cast-iron skillets sit on a shelf in Appleby's home.

This Dutch oven is one of Appleby's favorites.

A cast-iron skillet made by the Portland Skillet Foundry Company.

Cleaned and ready to use cast- iron skillets hang in Appleby's pantry.