89. Whence comes the name Artesian? What is stated of a well in Paris? What of the situation of London? Why is the pressure of a liquid in proportion to its depth? Give the illustrations of this mentioned in § 122.
90. Explain Fig. 75.
91. What is said about the construction of dams and brewers' vats? Explain the lateral pressure of liquids. Show the difference between a liquid and a solid in this respect.
92. Show how the earth's attraction causes the lateral pressure by Figs. 77 and 78. Give the view presented in § 124.
93. What is said of the proposed ship canal between the Mediterranean and the Red Sea? Show that pressure in liquids is equal in all directions.
94. Give the illustrations in § 126. Show that the upward pressure in a liquid is as the depth, and that this is produced by gravitation.
95. State the experiment represented in Fig. 82. Give the experiment with the tube and India-rubber.
96. State the examples given of great effects produced by small quantities of a fluid. Explain these effects by Fig. 83.
97. Explain Fig. 84.
98. What is the Hydrostatic Paradox, and why is it so called? Describe and explain the Hydrostatic Bellows.