CHAPTER XII. INSTRUMENTS USED FOR MEASURING THE RAINFALL.
110. HOWARD'S RAIN-GAUGE.
111. GLAISHER'S RAIN-GAUGE.
112. RAIN-GAUGE WITH FLOAT.
113. RAIN-GAUGE WITH SIDE TUBE.
114. FITZROY'S RAIN-GAUGE.
115. SELF-REGISTERING RAIN-GAUGE.
116. The principle of Measurement.
117. Position for Rain-gauge, &c.
118. Cause of Rain.
119. Laws of Rainfall.
120. Utility of Statistics of Rainfall.
121. NEW FORM OF RAIN-GAUGE.