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Dunstan Times, Issue 3132, 28 August 1922, Page 7

The countries richest in water power were naturally the first to develop hydro-eleetrie' enterprises and to design and const met flic machinery lor harnessing waterfalls in the service ol man. (treat Britain, which is far irom well provided with water-power rcsouirces, was lor long absorbed in steam engineering, hut latterly her engineer and mannl'actnrers 1 have thrown themselves \ igojoiisly and success!ulJ.v into the hydro-elect lie field. One ol the most recent signs l of their activity is the pro* duet ion. by a leading British firm, o! several distinct improvements in hydroelectric machinery. One ol them relates to the relief valve, which affords safe means of escape lor the water if at any time a turbine has to be suddenly put out of action. Most relief valves permit the water to escape in a. solid tier, which is most destructive’ of anything upon which it impinges. By a most ingenious arrangement of valves the water is. in this new valve, given a whirling movement which opens out the jet to the form of a half-opened Japanese umbrella, thus rendering it quite harmless. Owing partly to the euphemisms of the poets and to the erroneous conceptions of the ancients, mankind has long believed that his heart and his brain are the -seats of his emotions. He believes that when lie- is stirred by some exquisite music or by a piece ol literature, when he is angry or happy, the sensation is experienced in one or the other of these organs. The truth is. Dr Robert Bel] writes, that he experiences emotions in the solar plexus.