Show AI a Tent NEW YORK May 3The sullen roar of the great falls of Niagara a heard In this city tonight when the electric current which is to connect the thunder of the falling water with the electric show at Grand Central palace was turned on for the first time as a test The test was made by the managers o the show and was pronounced pro-nounced a success The sound of theaters the-aters could be plainly heard At the i same time the power was put on and k S every 1 of machinery of the electrical I show was put in motion for a few minutes I |