1. The "Vatican table" is a marble Roman anemoscope (wind-vane) dating from the 2nd or 3rd Century CE, held by the Vatican Museums.

2. China Wind Velocity Indicator Air Velocity Sensor Display Wind Flowmeter Anemoscope Anemometer Anemograph with Aluminium Alloy Pipe 0-5V 0-10V 4-20mA RS485 Mkd82L, Find details about China Wind Speed Indicator, Wind Speed Sensor from Wind Velocity Indicator Air Velocity Sensor Display Wind Flowmeter Anemoscope Anemometer Anemograph with Aluminium Alloy Pipe 0-5V 0-10V 4-20mA …