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  2. Portative organ - Wikipedia

    en.wikipedia.org/wiki/Portative_organ

    A portative organ (from the Latin verb portare, "to carry"), also known during Italian Trecento as the organetto, is a small pipe organ that consists of one rank of flue pipes, sometimes arranged in two rows, to be played while strapped to the performer at a right angle.

  3. Pump organ - Wikipedia

    en.wikipedia.org/wiki/Pump_organ

    A hand-pumped Indian harmonium, of the type used in South Asia, here used at a European jazz festival.. The pump organ or reed organ is a type of organ using free-reeds that generates sound as air flows past the free-reeds, the vibrating pieces of thin metal in a frame.

  4. File:Theoretical organic chemistry (IA ...

    en.wikipedia.org/wiki/File:Theoretical_organic...

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  5. Positive organ - Wikipedia

    en.wikipedia.org/wiki/Positive_organ

    A well-known instance of an early positive or portable organ of the 4th century occurs on the obelisk erected to the memory of Theodosius I on his death in AD 395. Among the illuminated manuscripts of the British Museum there are many miniatures representing interesting varieties of the portable organ of the Middle Ages, including Add. MS. 29902 (fol. 6), Add. MS. 27695b (fol. 13), and Cotton ...

  6. Organino - Wikipedia

    en.wikipedia.org/wiki/Organino

    Download as PDF; Printable version; ... Organino indicates a small organ. In particular it can refer to: Portative organ;

  7. File:Organic Chemistry.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Organic_Chemistry.pdf

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  8. Regal (instrument) - Wikipedia

    en.wikipedia.org/wiki/Regal_(instrument)

    In England and France, the word "regal" was sometimes applied to reed stops on the organ; Mersenne (1636) states that the word was applied at that time to the vox humana stop. [2] According to Praetorius, the reed stops of pipe organs required constant tuning; he emphasized the fact that the pitch of the stop fell in summer and rose in winter.

  9. Organic synthesis - Wikipedia

    en.wikipedia.org/wiki/Organic_synthesis

    Organic synthesis is a branch of chemical synthesis concerned with the construction of organic compounds.Organic compounds are molecules consisting of combinations of covalently-linked hydrogen, carbon, oxygen, and nitrogen atoms.