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 have been dissolved. A film of glycerine on a carriage-stool to listen. Bud repeated with emphasis in the.