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Musician Thomas Bloch playing the waterphone, 19 September 2009 at the Mittersheim pond, France. A waterphone (also ocean harp) is a type of inharmonic acoustic tuned idiophone consisting of a stainless steel resonator bowl or pan with a cylindrical neck and bronze rods of different lengths and diameters around the rim of the bowl.
The water must be "blown" into the hydraulophone by way of a pump which can be hand-operated, wind-operated, water-powered, or electric. Unlike woodwind instruments in which there is one mouthpiece at the entrance to the flute chamber, hydraulophones have mouthpieces at every exit port from the chamber.
The siku is an Andean pan flute This pan flute from the Solomon Islands is made from bamboo bound with reeds and rope. A pan flute (also known as panpipes or syrinx) is a musical instrument based on the principle of the closed tube, consisting of multiple pipes of gradually increasing length (and occasionally girth). [1]
Water drums are used all over the world, but are found most prominently in a ceremonial as well as social role in the Indigenous music of North America, as well as in African music. The drums are most often made from a pot of clay, ceramic, wood or metal, with a small amount of liquid inside and topped with drum head consisting of a stretched ...
Also Abrams' water-cement ratio law. A law which states that the strength of a concrete mix is inversely related to the mass ratio of water to cement. As the water content increases, the strength of the concrete decreases. abrasion The process of scuffing, scratching, wearing down, marring, or rubbing away a substance or substrate. It can be intentionally imposed in a controlled process using ...
model-based definition: Definition of the part via a 3D CAD model rather than via a 2D engineering drawing. Drawings may be printed (plotted) from the model for reference use, but the model remains the governing legal instrument. MBP: measurement between pins: threads, splines, gears (internal, female) (synonymous with MBW) (see also MOP, MOW) MBW
The Hang (German pronunciation:; [1] plural form: Hanghang) [2] is a type of musical instrument called a handpan, fitting into the idiophone class and based on the Trinidad & Tobago steelpan instrument.
the Pan pipes, also known as panflute and syrinx (Greek συριγξ), (so-called for the nymph who was changed into a reed in order to hide from Pan) is an ancient musical instrument based on the principle of the stopped pipe, consisting of a series of such pipes of gradually increasing length, tuned (by cutting) to a desired scale. Sound is ...