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An instrument for determining the true direction and velocity of the wind at sea

✍ Scribed by A. Lawrence Rotch

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
351 KB
Volume
30
Category
Article
ISSN
0035-9009

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πŸ“œ SIMILAR VOLUMES

An instrument for recording the rate of
An instrument for recording the rate of rainfall or the wind velocity
✍ J. R. Bibby πŸ“‚ Article πŸ“… 1944 πŸ› John Wiley and Sons 🌐 English βš– 300 KB

## Abstract An instrument is described which records the number of times an electrical circuit is made and broken in successive two minute intervals. This can be arranged to give an autographic record of the rate of rainfall, or, in conjunction with a cup anemometer, of the wind speed.