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  2. Simplification - Wikipedia

    en.wikipedia.org/wiki/Simplification

    Simplification is the process of replacing a mathematical expression by an equivalent one that is simpler (usually shorter), according to a well-founded ordering. Examples include:

  3. 2,6-Dichloroquinone-4-chloroimide - Wikipedia

    en.wikipedia.org/wiki/2,6-Dichloroquinone-4...

    2,6-Dichloroquinone-4-chloroimide (Gibbs reagent) is an organic compound used as an colorimetric indicator to detect phenolic compounds. [1] Upon reaction with phenol itself, 2,6-dichlorophenolindophenol is formed, [ 2 ] a chemical that is used as a redox indicator .

  4. BR Standard Class 2 2-6-0 - Wikipedia

    en.wikipedia.org/wiki/BR_Standard_Class_2_2-6-0

    The design was derived from the Ivatt-designed Class 2 2-6-0, with a reduced cab to enable it to fit into a universal loading gauge, and other standard fittings, most notably a taller chimney, others including the lack of an Ivatt dome and side plates connecting the two sections of the engine. Like the LMS predecessor the BR design had a tender ...

  5. 2-6-0 - Wikipedia

    en.wikipedia.org/wiki/2-6-0

    Twenty 2-6-0 locomotives were built by Les Ateliers de Tubize locomotive works in Belgium for the 1,000 mm (3 ft 3 + 3 ⁄ 8 in) metre gauge CF du Congo Superieur aux Grands Lacs Africains (CFL) between 1913 and 1924. The first eight, numbered 27 to 34, were built in 1913, followed by six more in 1921, numbered 35 to 40.

  6. Caledonian Railway 812 and 652 Classes - Wikipedia

    en.wikipedia.org/wiki/Caledonian_Railway_812_and...

    The Caledonian Railway 812 and 652 Classes were 0-6-0 steam tender locomotives designed by John F. McIntosh for the Caledonian Railway and introduced in 1899. They had the same boiler type as the 721 “Dunalastair” Class 4-4-0s. They could reach speeds of up to 55 mph (89 km/h). [1]

  7. 4-8-6 - Wikipedia

    en.wikipedia.org/wiki/4-8-6

    Under the Whyte notation for the classification of steam locomotives, a 4-8-6 locomotive would have had four leading wheels, eight coupled driving wheels and six trailing wheels. Other equivalent classifications are:

  8. 2-6-0+0-6-2 - Wikipedia

    en.wikipedia.org/wiki/2-6-0+0-6-2

    2-6-0+0-6-2 Garratt production list – All manufacturers [1] [2] Gauge Railway Class Works no. Units Year Builder 10 + 1 ⁄ 4 in: Wells & Walsingham Light Railway: 1 1986 Neil Simkins 10 + 1 ⁄ 4 in: Wells & Walsingham Light Railway 1 2010 Wells & Walsingham Light Railway: 2 ft: South African Railways: NG G11 5975-5977 3 1919 Beyer, Peacock ...

  9. Multiplication table - Wikipedia

    en.wikipedia.org/wiki/Multiplication_table

    Figure 2 is used for the multiples of 2, 4, 6, and 8. These patterns can be used to memorize the multiples of any number from 0 to 10, except 5. As you would start on the number you are multiplying, when you multiply by 0, you stay on 0 (0 is external and so the arrows have no effect on 0, otherwise 0 is used as a link to create a perpetual cycle).