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, 174.
Which, formed once for all the names of Lambard, Parker, Spelman, Wheeloc, Wilkins, Gibson, Hickes, Thwaites, Somner, Benson.