Show british engineers plan man way to harness tides in britain the severn estuary has big tides and there Is a scheme for malting limiting a barrage across this A detailed official report was recently made on the project writes a correspondent spon dent in the london spectator it would cost about pounds and by itself could not compete with electrical power generated by burning coal but with the aid of water power from the dams in the wye valley nearby it Is estimated that it could supply all the southwest of england and wales with power at two thirds of the present cost schemes like tills this have to be careful not to upset existing arrangements and erlston Is naturally tery nery anxious lest a huge barrage should interfere with navigation in order to settle this question wonderfully ac accurate e models of the river bed have been made and the effects of a barrage on currents and on up have been studied on the model the model la is so BO accurate that when a current of muddy water was run through it the mud particles cle i were deposited so as to reproduce with extraordinary fidelity tile the sand banks and shoals that exist in the real river the results seem conclusive that a barrage could have no serious effects on shipping |