Original Retro has dated this Victorian Cased Brass Anemometer to the 19th Century.
This is a very nice cased wind meter instrument by R. Robson Newcastle.
The high speed anemometer has a silvered dial and blued fingers and a brass/blackened housing.

The dial divided with four dials (air meter to 100.000 feet - hundreds - thousands - ten thousands)
The anemometer stands on three brass pillars and a brass blackened base.
The wind propellor is housed in an blackened brass frame to the righthand side of the anemometer.
correction sheet.
The anemometer is in perfect working order.
Original Retro has dated this Victorian Cased Brass Anemometer to the 19th Century.
You can view the stock and full dealer information on the Original Retro Profile Page