4-8-8-4 4-8-8-4 A 4-8-8-4 in the Whyte notation for the classification of steam locomotives by wheel arrangement, is a locomotive with a four-wheel leading truck, two sets of eight driving wheels, and a four-wheel trailing truck. These are commonly known as "Union Pacific Big Boys". Other equivalent classifications are: The equivalent UIC classification is refined to '(2′D)D2′' for Mallet locomotives. 4-8-8-4 Big Boys were only produced for the Union Pacific Railroad. Twenty-five such engines were built between 1941 and 1944, numbered 4000 to 4024. Eight of these locomotives survive, seven of which are on static public display at various sites in
Minim (palaeography) large diamond-shaped "finials" at the top and bottom, such as in "textualis quadrata", the most decorated form of Gothic. "Textualis sine pedibus", literally "textualis without feet", has minims with no finials at all, while "textualis rotunda" has round finials. Minim (palaeography) In palaeography, a minim is a short, vertical stroke used in handwriting. The word is derived from the Latin "minimum", meaning "least" or "smallest". A minim is the basic stroke for the letters i, m, n, and u in uncial script and later scripts deriving from it. Parts of other letters are based on minims as well: when a