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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.
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 ...
The portative organs were small and created for secular use and made of light weight delicate materials that would have been easy for one individual to transport and play on their own. [23] The portative organ was a "flue-piped keyboard instrument, played with one hand while the other operated the bellows."
A portative organ or a positive organ (which are also, but imprecisely, known as box, trunk, and cabinet organs) can be used in a residential setting, but the notion of a residence organ strictly embodies a permanence of place that is belied by the notion of portability embodied by the portatives and positives.
Portative organ; A free-reed instrument designed by Filippo Testa in 1700, ancestor of the reed organ This page was last edited on 29 December 2019, at 16:11 (UTC). ...
Johnson Organs, Westfield, Massachusetts – first William A. Johnson Organ Company, then Johnson & Son Organ Company (c. 1871-1898) Thomas Johnston , Boston, Massachusetts Kegg Pipe Organ Builders , ( Hartville, Ohio )
Theophilus's organ in the 11th century A.D., used bellows activated by body weight. [91] That was refined to make all air from three bellows enter into a common channel. [91] Smaller organs are illustrated that are now called portative organs and positive organs. 850 A.D., Utrecht Psalter. 1050-1100 A.D., Germany. Jeduthun playing rebec.
Historically the ancestor of pump organs began as the types of pipe organs (positive, portative) using the resonance-pipes powered by the bellows (i.e. pumped pipe organs). In the 17th century on the small reed-pipe organs called regal , these reed-pipes were replaced by the beating- reeds , and its form is closer to the later rocking melodeon ...