måttspann
Måttspann is a Swedish term for a measuring vessel, specifically a bucket or pail calibrated to a standard volume. Historically, a måttspann was used in rural trade and farming to measure out liquids and dry goods such as grain, milk, oil or ale, according to local measuring systems. The vessel was typically made of wood or metal and fitted with a handle, with graduation marks along its side indicating the contained volume. The exact capacity of a måttspann varied by region and period, as local authorities or merchants defined the size of a spann or related mått units. In practice, a måttspann functioned as a portable standard: buyers and sellers could fill the bucket to the marked line to deliver a predetermined amount.
Regional variation was common; some communities used several sizes of måttspann for different commodities. The system
With the introduction and spread of metric measurement in the late 19th and early 20th centuries, the