CHAPTER XIII

. APPARATUS EMPLOYED FOR REGISTERING THE DIRECTION,

PRESSURE, AND VELOCITY OF THE WIND.

122. THE VANE.

123. LIND'S WIND-GAUGE.

124. HARRIS'S WIND-GAUGE.

125. ROBINSON'S ANEMOMETER.

126. WHEWELL'S ANEMOMETER.

127. OSLER'S ANEMOMETER AND PLUVIOMETER.

128. BECKLEY'S ANEMOMETER.

129. SELF-REGISTERING WIND-GAUGE.

130. Anemometric Observations.

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