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  2. Scale length (string instruments) - Wikipedia

    en.wikipedia.org/wiki/Scale_length_(string...

    Concert grand pianos range in scale from about 7 feet 6 inches to 9 feet 0 inches (229 to 274 cm) or occasionally more. Notable concert grands include: The Steinway Model D, at 8 feet 11 + 3 ⁄ 4 inches (273.7 cm). The Imperial Bösendorfer, at 9 feet 6 inches (290 cm) with 97 keys. The Fazioli F308 at 10 feet 2 inches (310 cm).

  3. Foot (unit) - Wikipedia

    en.wikipedia.org/wiki/Foot_(unit)

    They found that the underlying diameters of the stone circles had been consistently laid out using multiples of a base unit amounting to 30 long feet, which they calculated to be 1.056 of a modern international foot (thus 12.672 inches or 0.3219 m).

  4. United States customary units - Wikipedia

    en.wikipedia.org/wiki/United_States_customary_units

    There are anecdotal objections to the use of metric units in carpentry and the building trades, on the basis that it is easier to remember an integer number of inches plus a fraction, rather than a measurement in millimeters, [9] or that foot-inch measurements are more suitable when distances are frequently divided into halves, thirds, and ...

  5. Inch - Wikipedia

    en.wikipedia.org/wiki/Inch

    The United States adopted the conversion factor 1 metre = 39.37 inches by an act in 1866. [30] In 1893, Mendenhall ordered the physical realization of the inch to be based on the international prototype metres numbers 21 and 27, which had been received from the CGPM, together with the previously adopted conversion factor. [31]

  6. Image sensor format - Wikipedia

    en.wikipedia.org/wiki/Image_sensor_format

    Although the most common medium format film, the 120 roll, is 6 cm (2.4 in) wide, and is most commonly shot square, the most common "medium-format" digital sensor sizes are approximately 48 mm × 36 mm (1.9 in × 1.4 in), which is roughly twice the size of a full-frame DSLR sensor format.

  7. Mount Washington - Wikipedia

    en.wikipedia.org/wiki/Mount_Washington

    The Mount Washington Auto Road—originally the Mount Washington Carriage Road—is a 7.6-mile (12.2 km) private toll road on the east side of the mountain, rising 4,618 feet (1,408 m) from an altitude of 1,527 feet (465 m) at the bottom to 6,145 feet (1,873 m) at the top, an average gradient of 11.6%. The road was completed and opened to the ...

  8. Iowa-class battleship - Wikipedia

    en.wikipedia.org/wiki/Iowa-class_battleship

    The 16"/50 turret weighed some 400 long tons (406 t) more than the 16"/45 turret already in use and also had a larger barbette diameter of 39 feet 4 inches (11.99 m) compared to the latter's barbette diameter of 37 feet 3 inches (11.35 m), so the total weight gain was about 2,000 long tons (2,030 t). This put the ship at a total of 46,551 long ...

  9. Geography of Quebec - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Quebec

    March 1971, however, saw the "Century's Snowstorm" with more than 40 cm (16 in) in Montreal to 80 cm (31 in) in Mont Apica of snow within 24 hours in many regions of southern Quebec. Also, the winter of 2010 was the warmest and driest recorded in more than 60 years.