• Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe...
    25 KB (3,441 words) - 20:20, 17 September 2024
  • Thumbnail for Octant (instrument)
    The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation. The name octant derives from the Latin octans meaning eighth...
    24 KB (3,035 words) - 16:58, 10 January 2025
  • equity-based (reflecting ownership of the issuing entity) or debt-based (reflecting a loan the investor has made to the issuing entity). If the instrument is debt...
    6 KB (363 words) - 02:31, 24 March 2025
  • Thumbnail for Reflecting telescope
    A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image...
    33 KB (3,948 words) - 15:45, 28 April 2025
  • primarily in navigation; type of reflecting instrument Optical spectrometer, also known as Spectrograph: instrument to measure the properties of visible...
    5 KB (573 words) - 15:01, 13 February 2025
  • Thumbnail for Bris sextant
    Bris sextant (category Astronomical instruments)
    device that can be used for navigation. The Bris is, however, a true reflecting instrument which derives its high accuracy from the same principle of double...
    5 KB (482 words) - 04:29, 2 December 2024
  • Sextant (astronomy) (category Astronomical instruments)
    [citation needed] These instruments differ substantially from a navigator's sextant in that the latter is a reflecting instrument. The navigator's sextant...
    6 KB (873 words) - 17:01, 14 March 2024
  • Thumbnail for Musical instrument
    instrument is a device created or adapted to make musical sounds. In principle, any object that produces sound can be considered a musical instrument—it...
    73 KB (8,507 words) - 20:31, 18 May 2025
  • Thumbnail for Wind instrument
    Quintet. Problems playing these files? See media help. A wind instrument is a musical instrument that contains some type of resonator (usually a tube) in which...
    18 KB (2,306 words) - 07:02, 23 April 2025
  • Thumbnail for Ticker symbol
    of the Sequence trading platform in 1996, EPICs were renamed Tradable Instrument Display Mnemonics (TIDM), but they are still widely referred to as EPICs...
    22 KB (2,203 words) - 14:11, 14 May 2025
  • Thumbnail for Instrument of Government (1809)
    The 1809 Instrument of Government (Swedish: 1809 års regeringsform), adopted on 6 June 1809 by the Riksdag of the Estates and King Charles XIII, was the...
    10 KB (1,190 words) - 15:46, 22 January 2025
  • Thumbnail for Kaleidoscope
    A kaleidoscope (/kəˈlaɪdəskoʊp/) is an optical instrument with two or more reflecting surfaces (or mirrors) tilted to each other at an angle, so that one...
    23 KB (2,543 words) - 11:35, 11 May 2025
  • Thumbnail for Elvis Presley
    appearances. Trading in his old guitar for $8, he purchased a Martin instrument for $175 (equivalent to $2,000 in 2024) and his trio began playing in...
    210 KB (24,052 words) - 15:45, 14 May 2025
  • Thumbnail for Roman Empire
    a woodwind instrument, was played at sacrifices. Song (carmen) was integral to almost every social occasion. Music was thought to reflect the orderliness...
    250 KB (28,172 words) - 00:16, 7 May 2025
  • Thumbnail for Surveying
    amount of mathematics required. In 1829 Francis Ronalds invented a reflecting instrument for recording angles graphically by modifying the octant. By observing...
    57 KB (7,282 words) - 07:24, 12 March 2025
  • Thumbnail for List of measuring instruments
    Goniometer Graphometer Inclinometer Mural instrument Protractor Quadrant Reflecting instruments Octant Reflecting circles Sextant Theodolite and total station...
    43 KB (3,620 words) - 01:07, 27 March 2025
  • Thumbnail for Watt
    electrocardiograph (ECG), in a wide variety of scientific and engineering instruments, and in reference to radio and radar receivers. Compact solar cells for...
    30 KB (3,283 words) - 20:08, 30 March 2025
  • Thumbnail for Qanun (instrument)
    qanun (Arabic: القانون, /kəˈnuːn/ kə-NOON) is a Middle Eastern string instrument. It is played either solo or more often as part of an ensemble in much...
    16 KB (1,626 words) - 21:36, 15 May 2025
  • Thumbnail for Pearson correlation coefficient
    may be very low if one is verifying a physical law using high-quality instruments, but may be regarded as very high in the social sciences, where there...
    58 KB (8,383 words) - 04:12, 17 May 2025
  • Sclerometer (category Hardness instruments)
    Turner-sclerometer (from Ancient Greek: σκληρός meaning "hard"), is an instrument used by metallurgists, material scientists and mineralogists to measure...
    3 KB (289 words) - 06:18, 29 October 2024
  • Thumbnail for Ultraviolet–visible spectroscopy
    or transmittance (%T) or reflectance (%R), and its change with time. A UV-Vis spectrophotometer is an analytical instrument that measures the amount of...
    34 KB (4,413 words) - 01:30, 8 May 2025
  • Thumbnail for Julius Caesar
    representation of G by C. The standard abbreviation was C. IVLIVS CÆSAR, reflecting the older spelling. (The letterform Æ is a ligature of the letters A and...
    141 KB (16,454 words) - 07:54, 8 May 2025
  • Thumbnail for Cat Stevens
    performing some classic Cat Stevens songs and more recent compositions reflecting his concern for peace and child welfare. His set included Stevie Wonder's...
    132 KB (14,443 words) - 03:44, 15 May 2025
  • Thumbnail for Kid Rock
    to country rock. A self-taught musician, he has said he can play every instrument in his backing band and has overseen production on all but two of his...
    110 KB (9,549 words) - 16:43, 18 May 2025
  • Thumbnail for Jug (instrument)
    The jug used as a musical instrument is an empty jug (usually made of glass or stoneware) played with buzzed lips to produce a trombone-like tone. The...
    5 KB (612 words) - 18:38, 18 January 2025
  • Thumbnail for IBM
    IBM (redirect from IBM Instruments)
    1969 lunar mission. IBM also developed and manufactured the Saturn V's Instrument Unit and Apollo spacecraft guidance computers. On April 7, 1964, IBM launched...
    133 KB (11,392 words) - 11:47, 18 May 2025
  • Thumbnail for Erhu
    Erhu (category Chinese musical instruments)
    二胡; pinyin: èrhú; [aɻ˥˩xu˧˥]) is a Chinese two-stringed bowed musical instrument, more specifically a spike fiddle, that is sometimes known in the Western...
    28 KB (3,334 words) - 15:47, 6 May 2025
  • Thumbnail for The Decemberists
    and a portion of the band's merchandise in Clackamas, Oregon, but the instruments and equipment were not recovered. On December 12, 2005, Meloy revealed...
    52 KB (4,742 words) - 19:18, 15 May 2025
  • Thumbnail for Photography
    ISBN 978-0-907628-79-8 Wade, Nicholas J.; Finger, Stanley (2001). "The eye as an optical instrument: from camera obscura to Helmholtz's perspective". Perception. 30 (10):...
    86 KB (9,566 words) - 05:59, 7 May 2025
  • "demands the subordination of the voice" to the overall sound of the band. Reflecting metal's roots in the 1960s counterculture, an "explicit display of emotion"...
    167 KB (18,777 words) - 06:34, 13 May 2025