SOLD This excellent example anemometer or air meter was made by well know scientific instruments maker R Fuess from Berlin Steglitz in 1938. The anemometer was used to measure the air speed for aviation and meteorology. . The device is made of nickel cover brass and has a nice silvered dial with three scales. On the side of the dial there is an on-and-off button. Dimensions: the diameter of the dial is 60 mm and total height just 170 mm. The aluminum case is 7 in X 3 in x 3 in. The anemometer is still in functioning state.