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Tools Art & Architecture Thesaurus Full Record Display
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Click the icon to view the hierarchy. |
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tone variators (sound devices (equipment), Sound Devices (hierarchy name), Furnishings and Equipment (hierarchy name)) |
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Note: Instruments used to study human sensitivity to changes in pitch. Originally invented by William Stern in 1897 for psychological research. These consist of a brass resonator tube that is supplied with a flow of air across its top end while an interior piston may be raised or lowered, or in some cases mercury introduced, changing the volume of the chamber, thus altering the pitch of the tone of the resonator. A circular scale attached to the front indicates the audible resonance frequency. |
Terms: |
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tone variators (preferred,C,U,English-P,D,U,PN)
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tone variator (C,U,English,AD,U,SN)
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variator, tone (C,U,English,UF,U,U)
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stern variator (C,U,English,UF,U,SN)
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Stern's tone variator (C,U,English,UF,U,U)
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Stern variators (C,U,English,UF,U,PN)
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variateur de stern (C,U,French-P,AD,U,MSN)
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variators, Stern (C,U,English,UF,U,U)
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Facet/Hierarchy Code: V.TT |
Hierarchical Position:
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![Hierarchy of Objects Facet](/global/images/global_hierarchy.gif)
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Objects Facet |
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![Hierarchy of Furnishings and Equipment (hierarchy name)](/global/images/global_hierarchy.gif)
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.... Furnishings and Equipment (hierarchy name) (G) |
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![Hierarchy of Sound Devices (hierarchy name)](/global/images/global_hierarchy.gif)
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........ Sound Devices (hierarchy name) (G) |
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![Hierarchy of sound devices (equipment)](/global/images/global_hierarchy.gif)
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............ sound devices (equipment) (G) |
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![Hierarchy of tone variators](/global/images/global_hierarchy.gif)
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................ tone variators (G,U) |
Sources and Contributors: |
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