2-8-4 was a passenger derivative of the Class FD 1’E1’-h2 (2-10-2) freight locomotive and had many parts in common with the Class FD. The Soviet 2-8-4 was the most numerous single Berkshire class built in the world. Kolomna Locomotive Works built the first four locomotives. In 1935, production was transferred to the enlarged and modernised former which was renamed Voroshilovgrad Locomotive Works. A lotal of 649 locomotives of the two variants, Class IS20 and Class IS21 (later Class FDp), were built between 1932 and 1942. After Germany attacked the Soviet Union on 22 June 1941, the Russians evacuated all semi-completed class
Minim (unit) Minim (unit) The minim (abbreviated min, , , or ) is a unit of volume in both the imperial and US customary systems of measurement. Specifically it is of a fluidram or of a fluid ounce. In the Pharmacopoeia, it is also noted that the minim was originally created by Mr Timothy Lane, F.R.S., as parts per wine gallon. The minim was introduced in the 1809 edition of "The Pharmacopœia of the Royal College of Physicians of London" as a replacement for the drop, which had previously been the smallest unit of the apothecaries' system. It was observed that the