South African Class 23 4-8-2 South African Class 23 4-8-2 The South African Railways Class 23 4-8-2 of 1938 was a steam locomotive. In 1938 and 1939, the South African Railways placed 136 Class 23 steam locomotives in service. The Class 23 was the last and the largest 4-8-2 Mountain type locomotive to be designed by the South African Railways. The Class 23 4-8-2 Mountain type steam locomotive was designed by W.A.J. Day, Chief Mechanical Engineer (CME) of the South African Railways (SAR) from 1936 to 1939. It was intended as a general utility locomotive, capable of operating on rail, and was built in two
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