Asserting that these people didn't have refrigeration is dippy. They _did_ have refrigeration. It just involved hauling ice around, rather than electricity.
Yeah. Meat pies. I _would_ believe that potted meats would keep in the fridge for a year, altho I would also expect to be craving through layers of mold after a month or so.
ETA: I told R., incorrectly, that poorer folk would never be preserving anything. I was dead wrong. Apparently if you had a chimney, and at any point laid hands on some meat, you might hang it in the chimney and let it smoke there. Which makes a lot of sense, but I had no idea.
ETAYA: Albala's book is Clarkson's first reference in her "Select Bibliography"