Dines pressure-tube anemograph and wind-direction recorder by Munro, 1919. Dines pressure-tube anemograph and wind-direction recorder by Munro 1919
Rectangular box for vane and upper tube, marked M.D wind vane MK4B, MET Ref No. 23101 Rectangular box for vane and upper tube
Square box with no lid for vane and upper tube, with four compartments Square box with no lid for vane and upper tube