770 REPORTS ON THE STATE OF SCIENCE.—1912. 
periodicity in each of them so that they can be linked up and can feed each 
other as required, can maximum efficiency and economy be attained. 
The present-day method of generating electric energy in bulk in power- 
stations and of distributing and selling it over a wide area as required opens up 
THURSO 
FARA 2400 
) 420g" 4929 
7) Wick 
of 6/400 Z j cami, 
LAXFORDJ 
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L 3200-0 St 2880 
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k 440 tas EYES LAIRG \ ff 
os tN ° 220099 7 3300 
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AYLE or LOCHALSH20000 
(3000 
<— /6000¢roRT AUGUSTUS 
THE FIGURES REPRESENT HOR. 
POWER AVAILABLE FROM 3 OF 
42" RAINFALL _ON A /2 HOUR 
tremendous possibilities for areas similar to the Highlands, and development of 
such areas is rapidly taking place all over the world. 
The congestion consequent upon the centralisation of industry and the increas- 
ing cost of coal as a source of power are both to-day providing the stimulus for 
hydro-electric development. 
Our infant industries were all planted and grew up round the steam-engine, 
