32 x 22cm Weathervane Apparatus Kit and accuracy of wind speed:

and accuracy of wind speed: 0

and identity (verified by IR)

Seidentopf Trinocular Head (XSP330T): Similar to the binocular head but with a 30:70 splitting ratio

Acoustic Experiments Apparatus: The Two-Wire Sonometer is designed for acoustic experiments

32 x 22cm Weathervane Apparatus Kit and accuracy of wind speed:32 x 22cm Weathervane Apparatus Kit. Highly effective and efficient Weathervane Tool. Excellent for classroom projects and purposes, Group projects, educational purposes, laboratory demonstration. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.