Reflecting instruments are those that use mirrors to enhance their ability to make measurements. In particular, the use of mirrors permits one to observe...

The octant, also called a reflecting quadrant, is a reflecting instrument used in navigation. The name octant derives from the Latin octans meaning eighth...

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...

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...

primarily in navigation; type of reflecting instrument Optical spectrometer, also known as Spectrograph: instrument to measure the properties of visible...

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...

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...

[citation needed] These instruments differ substantially from a navigator's sextant in that the latter is a reflecting instrument. The navigator's sextant...

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...

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...

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...

Goniometer Graphometer Inclinometer Mural instrument Protractor Quadrant Reflecting instruments Octant Reflecting circles Sextant Theodolite and total station...

A bearer instrument is a document that entitles the holder of the document to rights of ownership or title to the underlying property. In the case of shares...

a woodwind instrument, was played at sacrifices. Song (carmen) was integral to almost every social occasion. Music was thought to reflect the orderliness...

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...

third party: the League of Nations. The mandates were to act as legal instruments containing the internationally agreed-upon terms for administering certain...

revealing numbers connected with the synodic cycles of Venus and Saturn. The instrument is believed to have been designed and constructed by Hellenistic scientists...

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...

amount of mathematics required. In 1829 Francis Ronalds invented a reflecting instrument for recording angles graphically by modifying the octant. By observing...

Turner-sclerometer (from Ancient Greek: σκληρός meaning "hard"), is an instrument used by metallurgists, material scientists and mineralogists to measure...

or transmittance (%T) or reflectance (%R), and its change with time. A UV-Vis spectrophotometer is an analytical instrument that measures the amount of...

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...

music while in high school, teaching himself to play guitar on a $40 instrument purchased from a Sears catalog. He fronted his first band, the Fabulous...

'geographic' instruments and 'thematic' instruments. The 'geographic' instruments provide aid through the Development Cooperation Instrument (DCI, €16.9 billion...

designs and several attempts to build reflecting telescopes. In 1668, Isaac Newton built the first practical reflecting telescope, of a design which now bears...

commercial digital cameras in the NIR spectral region or by dedicated instruments in the SWIR spectral region. The recent extension of reflectography into...

perform the first major surgery in the Western world in the year 1815. Instruments described in the Sushruta Samhita were further modified in the Western...

imported lutes and lyres from Asia. The sistrum was a rattle-like musical instrument that was especially important in religious ceremonies. The ancient Egyptians...

secondary mirror. Newton's first reflecting telescope was completed in 1668 and is the earliest known functional reflecting telescope. The Newtonian telescope's...

between women's self-reported levels of desire and their VPG readings. The instrument used in the procedure is called vaginal photometer. The device has a clear...