Exhibition Label Text: Anemometer, 19th century to the present.
Used by the Ventilation Officer to find out if enough air was reaching the coalface by measuring the speed at which the air was travelling. The higher the speed, the greater the amount of air entering an area.
The volume of air in a roadway is calculated by the multiplying the width and height of the roadway by the air velocikty reading taken by an anemometer.
Circular item, blades which spin, dial in centre. Painted black.
Height 40mm x109 mm diameter
Digital image on Keeper’s computer – S:/Keeper/MyPictures/Exhibitions/DisplayNewVisitorCentre. Taken Nov. 2003.
This record is a duplicate of 1988.007.013, (database audit, March 1999), FU.