South African Class GEA 4-8-2+2-8-4 4022 Owned (Transnet Heritage Foundation) currently stored at Millsite Locomotive Depot awaiting Disposal either scrap or preservation. South Africa + 4023 Owned (Transnet Heritage Foundation) currently on display at the Outiniqua Transport Museum and selected as THF representative of the class for the National Heritage Collection. South Africa South African Class GEA 4-8-2+2-8-4 The South African Railways Class GEA 4-8-2+2-8-4 of 1946 was an articulated steam locomotive. During 1946 and 1947, the South African Railways placed fifty Class GEA Garratt articulated steam locomotives with a 4-8-2+2-8-4 Double Mountain type wheel arrangement in service. The Class GEA 4-8-2+2-8-4 Double Mountain type
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