EditorialSkates by the rink at the William Vale hotel in Brooklyn on Jan. 19, 2020. Glice has a bit more “give” than real ice, making it less punishing if you fall hard. (Hiroko Masuike/The New York Times)
EditorialMachinery for refrigeration; being sundry observations with regard to the principal appliances employed in ice making and refrigeration, and upon the laws relating to the expansion and compression of gases : Selfe, Norman.