Imperial and US customary measurement systems (42 US gallons, 34.97 imperial gallons or 159.0 litres) used in the oil industry has the dimension of volume and could be replaced by the gallon, cubic metre or litre. The definitions of potential difference (volt), electric current (ampere), electrical resistance (ohm) were defined in terms of metric units, international agreement having been reached at a series of IEC Congress in Chicago between 1881 and 1906 when the electrical industry was in its infancy. At that time the metric system had become established in continental Europe while in the United Kingdom metrication was an active issue. Similarly, the units of
Jörg Ohm – those players were thought to have less potential than their comrades who joined SC Leipzig. However, at the end of the 1963–64 season, BSG Chemie Leipzig won the championship, with Ohm appearing in four matches. He stayed with Chemie Leipzig until 1968 and appeared in 33 matches for the side. However, when they won the FDGB-Pokal in 1966, Ohm was missing from the final squad. At the beginning of the 1968–69 season, Ohm joined 1. FC Magdeburg and won the cup for the first time in 1969. Not only did he play in the final this time, but also