CHAPTER V. Page [85]
The Chinese tumblers, illustrating the joint effects of change in the centre of gravity of a body, and of momentum--Mr. Twaddleton’s arrival after a series of adventures--The dancing balls--The pea-shooter--A figure that dances on a fountain--The flying witch--Elasticity--Springs--The game of “Ricochet,” or duck and drake--The rebounding ball--Animals that leap by means of an elastic apparatus--A new species of puffing, by which the Vicar is made to change countenance
CHAPTER VI. Page [102]
The arrival of Major Snapwell, and the bustle it occasioned--The Vicar’s interview with the stranger--A curious discussion--A word or two addressed to fox-hunters--Verbal corruptions--Some geometrical definitions--An enigma
CHAPTER VII. Page [117]
Compound forces--The composition and resolution of motion--Rotatory motion--The revolving watch-glass--The sling--The centrifugal and centripetal forces--Theory of projectiles--A geological conversation between Mr. Seymour and the Vicar
CHAPTER VIII. Page [136]
The subject of rotatory motion continued--A ball, by having a peculiar spinning motion imparted to it, may be made to stop short, or to retrograde, though it meets not with any apparent obstacle--The rectilinear path of a spherical body influenced by its rotatory motion--Bilboquet, or cup and ball--The joint forces which enable the balancer to throw up and catch his balls on the full gallop--The hoop--The centre of percussion--The whip and peg-top--Historical notices--The power by which the top is enabled to sustain its vertical position during the act of spinning--The sleeping of the top explained--The force which enables it to rise from an oblique into a vertical position--Its gyration
CHAPTER IX. Page [151]
Trap and ball--Gifts from the Vicar--An antiquarian history of the ball--The see-saw--The mechanical powers--The swing--The doctrine of oscillation--Galileo’s discovery--The pendulum--An interesting letter--Mr. Seymour and the Vicar visit Major Snapwell