The ice cream made in the Donvier was denser and grainier than the ice cream made with the electric models, which was fluffy and light. Priced at $50, the Donvier was no bargain.

I’ve been doing the Donvier for the past few days, making fro-yo in my vintage ice cream maker and writing about the amazing back story on this nifty device. (That picture, shot by Steve Early ...

By year’s end, Donvier’s gross sales topped $8 million. When the 1 millionth unit was sold, David received the gold ice cream maker from Nikkal’s partners in Japan.