• Thumbnail for 4-4-2 (locomotive)
    notation for the classification of steam locomotives by wheel arrangement, 4-4-2 represents a configuration of a four-wheeled leading bogie, four powered...
    26 KB (3,213 words) - 03:43, 20 September 2024
  • In Whyte notation, 2-4-4-2 refers to a railroad steam locomotive that has two leading wheels followed by two sets of four coupled driving wheels and two...
    4 KB (440 words) - 23:42, 30 August 2024
  • Thumbnail for 4-2-2
    Under the Whyte notation for the classification of steam locomotives, 4-2-2 represents the wheel arrangement of four leading wheels on two axles, two...
    12 KB (1,652 words) - 12:30, 18 March 2024
  • Thumbnail for 2-4-2
    Under the Whyte notation for the classification of steam locomotives, 2-4-2 represents the wheel arrangement of two leading wheels on one axle, four powered...
    9 KB (1,003 words) - 13:43, 13 August 2024
  • Thumbnail for 4-4-4
    rebuilt to 4-4-2 "Atlantic" locomotives, classified as P7sa, and renumbered 350 to 353. B&O created a single 4-4-4 in 1934, rebuilding a 4-4-2 "Atlantic"...
    10 KB (1,161 words) - 07:26, 15 July 2024
  • dictionary. 2×4 or two by four may refer to: 2 4, a time signature in music 2×4 (Guadalcanal Diary album), 1987 2×4 (Einstürzende Neubauten album), 1984 2×4 (Malachi...
    1 KB (193 words) - 19:13, 15 September 2023
  • 4
    2 + 2 = 2 × 2 = 2 2 = 2 ↑↑ 2 = 2 ↑↑↑ 2 = . . . = 4 {\displaystyle 2+2=2\times 2=2^{2}=2\uparrow \uparrow 2=2\uparrow \uparrow \uparrow 2=\;...\;=4} ...
    70 KB (7,131 words) - 02:52, 30 September 2024
  • Under the Whyte notation for the classification of steam locomotives, 4-6-2 represents the wheel arrangement of four leading wheels on two axles, six...
    126 KB (16,880 words) - 04:47, 19 September 2024
  • Thumbnail for 4-4-0
    operated locomotives of this type, and many rebuilt their 4-2-0 and 2-4-0 locomotives as 4-4-0s. In April 1872, Railroad Gazette used "American" as the...
    42 KB (4,739 words) - 11:18, 8 September 2024
  • Thumbnail for 4-4-4-4
    A 4-4-4-4 steam locomotive, in the Whyte notation for describing locomotive wheel arrangements, has a four-wheel leading truck, two sets of four driving...
    8 KB (797 words) - 04:53, 19 September 2024
  • Thumbnail for 4-6-4
    differed little from that of the 4-6-2, but the steam-raising ability was increased, giving more power at speed. The 4-6-4 was best suited to high-speed...
    55 KB (6,381 words) - 22:19, 30 August 2024
  • Thumbnail for 2-4-0
    Under the Whyte notation for the classification of steam locomotives, 2-4-0 represents the wheel arrangement of two leading wheels on one axle, four powered...
    14 KB (1,684 words) - 13:07, 11 September 2024
  • Thumbnail for 2-8-4
    Under the Whyte notation, a 2-8-4 is a steam locomotive that has two unpowered leading wheels, followed by eight coupled and powered driving wheels, and...
    51 KB (5,978 words) - 02:52, 20 September 2024
  • classification: 2322 Turkish classification: 3524 Swiss classification: 3/5+2/4 up to the early 1920s, later 5/9 The sole example of this arrangement was...
    938 bytes (101 words) - 07:08, 27 February 2022
  • Thumbnail for 4-8-4
    as a Northern. The 4-8-4 wheel arrangement was a progression from the 4-8-2 Mountain type and, like the 2-8-4 Berkshire and 4-6-4 Hudson types, an example...
    90 KB (10,294 words) - 03:05, 20 September 2024
  • Thumbnail for 4-2-4T
    Under the Whyte notation for the classification of steam locomotives, 4-2-4 represents the wheel arrangement of four leading wheels on two axles, two...
    9 KB (1,001 words) - 21:34, 29 August 2024
  • Thumbnail for 4-8-8-2
    Under the Whyte notation for the classification of steam locomotives, a 4-8-8-2 is a locomotive with four leading wheels, two sets of eight driving wheels...
    4 KB (441 words) - 12:49, 13 September 2024
  • This locomotive design was a further development of the highly successful 2-10-4. The divided drive, or duplex arrangement, allowed for higher speeds with...
    2 KB (187 words) - 12:28, 30 July 2023
  • Thumbnail for 4-8-2
    Under the Whyte notation for the classification of steam locomotives, 4-8-2 represents the wheel arrangement of four leading wheels, eight powered and...
    59 KB (7,448 words) - 03:05, 20 September 2024
  • 2/4 may refer to February 4 (month-day date notation) 2 April (day-month date notation) 2 4 time, a duple time signature used, for example, for polkas...
    397 bytes (82 words) - 08:17, 4 August 2024
  • Thumbnail for 2-6-4
    Under the Whyte notation for the classification of steam locomotives, a 2-6-4 locomotive has two leading wheels, six coupled driving wheels and four trailing...
    14 KB (1,576 words) - 16:31, 16 May 2024
  • locomotives by wheel arrangement, a 4-8-2+2-8-4 is a Garratt articulated locomotive consisting of a pair of 4-8-2 engine units back to back, with the...
    27 KB (1,986 words) - 23:09, 27 June 2023
  • Thumbnail for 4-8-8-4
    classification: '46+46' Swiss classification: '4/6+4/6' The equivalent UIC classification is refined to (2′D)D2′ for simple articulated locomotives. A similar...
    4 KB (404 words) - 21:48, 17 September 2024
  • Thumbnail for 1 + 2 + 3 + 4 + ⋯
    numbers 1 + 2 + 3 + 4 + ⋯ is a divergent series. The nth partial sum of the series is the triangular number ∑ k = 1 n k = n ( n + 1 ) 2 , {\displaystyle...
    33 KB (4,228 words) - 05:02, 24 September 2024
  • Thumbnail for 0-4-2
    Under the Whyte notation for the classification of steam locomotives, 0-4-2 represents the wheel arrangement with no leading wheels, four powered and...
    17 KB (2,103 words) - 02:07, 6 July 2024
  • Thumbnail for 0-4-4-2
    for the classification of steam locomotives by wheel arrangement, an 0-4-4-2 is a locomotive that has no leading wheels, two sets of four driving wheels...
    4 KB (533 words) - 01:15, 9 November 2023
  • Thumbnail for IS-4
    IS-4, also known as the Object 701, was a Soviet heavy tank that started development in 1943 and began production in 1946. Derived from the IS-2 and...
    10 KB (822 words) - 09:12, 15 September 2024
  • Thumbnail for 2-10-4
    Under the Whyte notation for the classification of steam locomotives, a 2-10-4 locomotive has two leading wheels on one axle, usually in a Bissel truck...
    27 KB (2,505 words) - 23:36, 8 September 2024
  • Left 4 Dead 2 is a 2009 first-person shooter game developed and published by Valve. The sequel to Left 4 Dead (2008) and the second game in the Left 4 Dead...
    132 KB (14,570 words) - 00:02, 7 September 2024
  • Thumbnail for 4-2-0
    Under the Whyte notation for the classification of steam locomotives, 4-2-0 represents the wheel arrangement of four leading wheels on two axles, two...
    13 KB (1,602 words) - 11:15, 24 July 2024