So the kerosene refrigerator enables a housewife to have a functional refrigerator 24 hours a day, that operated on a easily contained product, just kerosene. So he named the refrigerator Silent Night, but the main thing is that he got the nickname down under as the Savior of the Outback Housewife. Because with the kerosene refrigerator, she wasn’t able to have a refrigeration in her kitchen. And before that had been limited to deliveries of ice, which was infrequent and difficult, and complex, and maybe impossible.