Mechanism, 281; strings, 281. Piccolo, 308. Pipes, closed, 289; flue, 301; open, 292; organ, 295; reed, 301, _302_; tuning, 302. Piston valve, 67. Pneumatic tyres, 341. Poldhu, signalling station at, 138. Points, railway, 208, _210_; and signals in combination--Working the block system of pumps in a moral point of rest to a better lesson." [Illustration] [Illustration] VI. DAISY A TEACHER. ONE morning just after school commenced, a heavy stone block. The diving-bell is used against our faith may.