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  2. List of tablet PC dimensions and case sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_tablet_PC...

    Below is a list of currently available tablet PCs grouped by their width, depth, height, screen size, ... 6.9 in (180 mm) 0.4 in (10 mm) 9.4 in (240 mm)

  3. 4 ft 6 in gauge railway - Wikipedia

    en.wikipedia.org/wiki/4_ft_6_in_gauge_railway

    The 4 ft 6 in (1,372 mm) track gauge, also called the Scotch gauge, was adopted by early 19th century railways mainly in the Lanarkshire area of Scotland. It differed from the gauge of 4 ft 8 in ( 1,422 mm ) that was used on some early lines in England .

  4. Track gauge in the United States - Wikipedia

    en.wikipedia.org/wiki/Track_gauge_in_the_United...

    Some railways, primarily in the northeast, used standard gauge of 4 ft 8 + 1 ⁄ 2 in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft ( 1,524 mm ), while northern railroads that were not standard-gauge tended to be narrow-gauge.

  5. Photo print sizes - Wikipedia

    en.wikipedia.org/wiki/Photo_print_sizes

    The alternative Super series, denoted SnR, nR Plus or nR+, has an aspect ratio of 3∶2 (or as close as possible) and thus provides a better fit for standard 135 film (35 mm) at sizes of 8 inches or above. 5R is twice the size of a 2R print, 6R twice the size of a 4R print and S8R twice the size of 6R. 4D/6D is a newer size for most consumer ...

  6. Paper size - Wikipedia

    en.wikipedia.org/wiki/Paper_size

    In Taiwan, the traditional base size 1K inherited from Japan is sometimes quoted as measuring 31 × 43 inches exactly, which is off by roughly 1 millimetre from the commonly quoted metric base size of 788 × 1091 mm, which is directly derived from 26 × 36 sun or 2.6 × 3.6 shaku.

  7. 120 film - Wikipedia

    en.wikipedia.org/wiki/120_film

    Frame number markings for three standard image formats (6×4.5, 6×6, and 6×9 [4:3, 1:1, and 2:3 aspect ratios]; see below) are printed on the backing paper. The 220 format was introduced in 1965 and is the same width as 120 film, but with about double the length of film and thus twice the number of possible exposures per roll.

  8. 3 ft 6 in gauge railways - Wikipedia

    en.wikipedia.org/wiki/3_ft_6_in_gauge_railways

    Earlier built 4 ft 8 + 1 ⁄ 2 in (1,435 mm) and broad gauge railways were soon converted to the narrower gauge. The Cape Colony adopted the 3 ft 6 in gauge. [ 4 ] [ 5 ] After conducting several studies in southern Europe, the Molteno Government selected the gauge as being the most economically suited for traversing steep mountain ranges. [ 6 ]

  9. Column inch - Wikipedia

    en.wikipedia.org/wiki/Column_inch

    The column inch size for advertisements that spread over more than one column is determined by multiplying the number of inches high by number of columns. For example, an advertisement that is 3 columns wide by 6 inches high takes up 18 column inches (3 columns wide multiplied by 6 inches high).