South African Class GL 4-8-2+2-8-4 of around two hundred parts including its right-hand-side ashpan and much of its brick arch. The main picture shows no. 2351 "Princess Alice", c. 1930. The smoke deflecting cowl on the chimney, installed for tunnel working, was later removed. South African Class GL 4-8-2+2-8-4 The South African Railways Class GL 4-8-2+2-8-4 of 1929 was an articulated steam locomotive. In 1929 and 1930, the South African Railways placed eight Garratt articulated steam locomotives with a 4-8-2+2-8-4 Double Mountain type wheel arrangement in service. Built at Beyer, Peacock and Company's Gorton Foundry, they were originally designed to work on the Durban to
Minim (unit) size of a drop can vary considerably depending upon the viscosity and specific gravity of the liquid. (At the time, the phenomenon of surface tension was not well understood.) The minim, on the other hand, was measured with a graduated glass tube known as a "minimometer", later known as the minim-tube. The minim-tube was a type of graduated pipette, a device invented in 1791 by François-Antoine-Henri Descroizilles. Apothecaries' measures are fully defined in the United Kingdom's Weights and Measures Act of 1878, but the UK's 1963 Weights and Measures Act provided for the abolition of the minim, fluid scruple, and