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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 ...
Gives age; Fluent speech with few infantile substitutions in speech Dresses and undresses alone 6 years At this age, until age 7, the adult muscle activation pattern in walking is complete. Leads to head control and trunk coordination while walking, by at least age 8. Mechanical energy transfer exists; Copies a diamond
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.
Childhood is the age span ranging from birth to adolescence. [7] In developmental psychology, childhood is divided up into the developmental stages of toddlerhood (learning to walk), early childhood (play age), middle childhood (school age), and adolescence (puberty through post-puberty). Various childhood factors could affect a person's ...
The Maturational Theory of child development was introduced in 1925 [1] by Dr. Arnold Gesell, an American educator, pediatrician and clinical psychologist whose studies focused on "the course, the pattern and the rate of maturational growth in normal and exceptional children"(Gesell 1928). [2]
But we're guessing that definitely wouldn't have been allowed if they knew just how valuable the carved sperm whale tooth actually was. 7 Photos. antiques roadshow tooth. See Gallery.
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.