A pointer or the like attached to an organ, esp. a chamber organ, to show the state of the wind supply. Now chiefly historical.
| 单词 | θ227122 |
| 释义 | society > leisure > the arts > music > musical instrument > keyboard instrument > organ > [noun] > wind-pressure indicator (3) telltale1786 A pointer or the like attached to an organ, esp. a chamber organ, to show the state of the wind supply. Now chiefly historical. anemometer1821 A device used to measure the amount of air pressure delivered to a given pipe in a pipe organ. Now historical and rare. wind-gauge1876 = anemometer, n. 2. |
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