Show British Engineers Plan PInn Way to Harness tides In Britain the Severn estuary t arr has hili hasIg big Ig tides and there Is a scheme for making a barrage across arrol this A J. dealt detailed de de- tailed alt ed official report was 1111 recently made on th tho project writes write a 1 correspondent correspondent corre orre- In the he London Spectator It would cost about pounds and by Itself could lull not compete com com- pete te K-te TV with electrical power generated I by bJ y burning coal coat But with the aid of water power from the dams In Inthe inthe the he Wye Wre valley er nearby it is s estimated ed eel that It could supply all the southwest south west of ot l England and Wales Vales with rower poorer at two-thirds two of the present cost COt Schemes like this have hue to be careful careful care cu ful not to upset existing arrangements arrangements arrange arrange- ments and Is na naturally very anxious lest a huge barrage should Interfere with nul navigation In order to settle this question n wonderfully accurate models of the river rr bed have been made and the effects of ot a w barrage Mirage on n currents current and on nUn up have han bt been eo studied on en the model The model I Is so 0 accurate that when a current of ot muddy water was wa run through It the mud particles were deposited so 10 o as to reproduce with extraordinary fidelity the sand sandbanks sandbanks sandbanks banks and shoals that exist In the tile thereal thereal real re-III river The results result seem con con- elusive that thata a barrage could have hue no serious effects on shipping |