A Little HistoryCharles Ranhofer spent more than thirty years as chef at Delmonico's in New York, and The Epicurean (1894) was his attempt to set down the whole of that kitchen's practice, preserving room included. Canning at home was still a comparatively young art when he wrote: the heat-and-seal principle is generally traced to Nicolas Appert's work in France at the start of the nineteenth century, and the tin can, sealed by a tinsmith with solder, was the professional container long before the screw-band glass jar became the domestic standard. Ranhofer's instruction to solder the lids tight assumes a kitchen with the tools and the hands to do it, which tells you something about the scale of a great restaurant's larder. His neighbouring numbers in this section - brandy peaches on one side, canned pears on the other - show a house laying in summer fruit by the case for the winter menu, when out-of-season cherries meant either a tin put up in July or nothing at all.