This chapter explores ancient and early methods of refrigeration, from using ice in drinks to employing techniques like saltpeter baths and evaporative cooling. It also delves into the ingenious technologies of the past that harnessed natural processes to achieve cooling.
Ancient methods of keeping things cold included using ice in drinks, saltpeter baths, and evaporative cooling.
Swamp coolers and damp towels in front of breezy windows were used to create cooler air.
Storing items in the ground or cold streams provided consistent temperatures for preservation.